{"title":"Featured Askar Equipment","description":null,"products":[{"product_id":"askar-107phq-107mm-f-7-ed-apo-quadruplet-apochromatic-refractor-2","title":"Askar 107PHQ 107mm f\/7 ED APO Quadruplet Apochromatic Refractor – Dark Clear Skies","description":"\u003ch2 data-mce-fragment=\"1\"\u003eASKAR 107PHQ 107mm f\/7 ED APO Quadruplet Apochromatic Refractor Telescope\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/SHARPSTAR\/askar-107phq-107mm-f-7-ed-apo-quadruplet-apochromatic-refractor-telescope-1c.webp\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAskar 107PHQ, a versatile all-rounder\u003cbr data-mce-fragment=\"1\"\u003eThe Askar 107PHQ can literally be applied in any conceivable situations, and that’s the top reason why 107PHQ is produced: to slash as much trouble for users as possible.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eASKAR 107PHQ ED APO quadruplet telescope features:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• 107MM f\/6.5 three-element full separation optical design\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• Includes two ED lens elements\u003cbr data-mce-fragment=\"1\"\u003e• Built-in field flattener for full fram photography with 44mm image circle\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• Wide range of imaging connections: M68, M54, M48\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• New 3.4\" dual-speed rack and pinion focuser, 10:1 fine focus for up to 8kg payload\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e•  2\" and 1.25\" universal interfaces\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• Angle adjuster for 360 degree rotation\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• Universal (Vixen-style) dovetail bar with tube rings\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• Comes with a finderscope shoe\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"youtube-embed-wrapper\"\u003e\u003ciframe data-mce-fragment=\"1\" width=\"640\" src=\"https:\/\/www.youtube.com\/embed\/GlCOFG-kPUg\" height=\"360\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAs the first long-focal-ratio Flatfield astrograph from Askar, 107PHQ is born with a special mission: whether you are just getting started in astrophotography, or an enthusiast who has been quite familiar with all equipment and devices, you can always find Askar 107PHQ a useful astrograph which is functionally practical and physically attractive.\u003cbr data-mce-fragment=\"1\"\u003eIt’s especially amateur or beginner friendly since you don’t need to attach an extra field flattener to get a satisfactory picture. And for the fact that you don’t need a flattener and you can easily get over back-focus calculation and confusing connection steps, all you need to do is to equip your 107PHQ with any possible imaging devices, make the target stay at the focus, and then the whole optical system is perfect for imaging.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/SHARPSTAR\/askar-107phq-107mm-f-7-ed-apo-quadruplet-apochromatic-refractor-telescope-2c.webp\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAskar 107PHQ can capture tiny star objects due to its 740mm focal length and astonishing field flattening capacity. When used Askar 107PHQ and a high-resolution camera, it can still bring out lots of detailed information of your target.\u003cbr data-mce-fragment=\"1\"\u003eAskar 107PHQ is also a nice choice for your visual observation. It fits 1.25\", 2\" zenith mirrors as well as various eyepieces and can achieve a perfect focus. It can even be used to observe planets with a super-high magnification eyepiece.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/SHARPSTAR\/askar-107phq-107mm-f-7-ed-apo-quadruplet-apochromatic-refractor-telescope-3.webp\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAskar 107PHQ, an f\/7 astrograph, contains four pieces of lenses including two pieces of ED glass, which can better reduce chromatic aberration. It can achieve excellent color correction even with the magnification mounting to 300× in visual observation.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/SHARPSTAR\/askar-107phq-107mm-f-7-ed-apo-quadruplet-apochromatic-refractor-telescope-4.webp\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe sleek 107PHQ is assembled with high-quality CNC-machined components and wrapped with smooth coating. The calm and seriousness is offset by the bright green decorative rings or knobs. The 3.4\" rigid focuser is capable of handling a load of 8kg. It’s designed with a long travel distance of 95mm, which is suitable for visual observation. And it’s been optimized especially for astrophotography.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/SHARPSTAR\/askar-107phq-107mm-f-7-ed-apo-quadruplet-apochromatic-refractor-telescope-5-copy.webp\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe built-in Flatfield lens is a great contribution to Askar 107PHQ’s imaging ability. It supports 44mm full-frame imaging. The stars around the corner of the images seldom suffer from distortion or deformation. At the center of its field of view, the RMS radius is merely 3um. Even a fastidious user can also be satiated when it comes to the shape of stars. Askar 170PHQ can effectively handle with problems of field curvature and vignette.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/SHARPSTAR\/askar-107phq-107mm-f-7-ed-apo-quadruplet-apochromatic-refractor-telescope-6.webp\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe standard package includes an Askar 107PHQ OTA, a set of four-piece M86-M48 adapters, a pair of tube rings, a 300mm Askar Vixen-style dovetail plate and a high-quality aluminum suitcase.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/SHARPSTAR\/askar-107phq-107mm-f-7-ed-apo-quadruplet-apochromatic-refractor-telescope-7.webp\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSPECIFICATIONS\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAperture size：107mm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFocal length：749mm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFocal ratio：f\/7\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eObjective lens：Quadruplet air-spaced APO (including two ED glass)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eImage circle：44mm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMaximum accessory connection (with the focuser fully retreated)：\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e1. Imaging mode:\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e79mm (from the base of M48×0.75 male thread)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e99mm (from the base of M54×0.75 male thread)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e119mm (from the base of M68×1male thread)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e149mm (from the base of M86×1 male thread)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e2. Observing mode:\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e120mm (from the end of 2\" visual back)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTotal length：603mm（when the dew shield is contracted）\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e754mm（when the dew shield is stretched）\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNet weight：5.7kg\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eGross weight：6.9kg\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRear-end thread type：M86×1 to M68×1\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eM68×1 to M54×0.75\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eM54×0.75 to M52×0.75\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eM52×0.75 to M48×0.75（with M48×0.75 filter thread）\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFour-piece photographic adapter：M48×0.75\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eStandard package items：a 107PHQ OTA，a pair of tube rings, a handle, an Askar 300mm Vixen dovetail plate, a set of four-piece photographic adapters, a manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/SHARPSTAR\/askar-107phq-107mm-f-7-ed-apo-quadruplet-apochromatic-refractor-telescope-8.webp\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/SHARPSTAR\/askar-107phq-107mm-f-7-ed-apo-quadruplet-apochromatic-refractor-telescope-9.webp\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/SHARPSTAR\/askar-107phq-107mm-f-7-ed-apo-quadruplet-apochromatic-refractor-telescope-10.webp\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/SHARPSTAR\/askar-107phq-107mm-f-7-ed-apo-quadruplet-apochromatic-refractor-telescope-11.webp\" alt=\"\"\u003e\u003c\/p\u003e\n","brand":"Askar","offers":[{"title":"Default Title","offer_id":42440210841777,"sku":"ASKAR-107PHQ","price":2699.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/askar-107phq-107mm-f7-ed-apo-quadruplet-apochromatic-refractor-602637.webp?v=1782294837"},{"product_id":"askar-120apo-triplet-f-7-apochromatic-refractor-telescope","title":"Askar 120APO Triplet f\/7 Apochromatic Refractor Telescope","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnhance Your Stargazing with the ASKAR 120APO Triplet f\/7 Apochromatic Refractor Telescope\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlock the secrets of the cosmos with the ASKAR 120APO Triplet f\/7 Apochromatic Refractor Telescope, boasting a 120mm aperture for unparalleled light-gathering capabilities. This premium telescope enhances resolution and contrast, allowing astronomers to capture more detailed and brighter celestial images. Its optical design includes a triplet air-spaced APO lens with one piece of ED glass to significantly reduce chromatic aberration, ensuring exceptional color accuracy and clarity in your observations.\u003c\/p\u003e\n\u003cp\u003eThe ASKAR 120APO is not only technologically advanced but also user-friendly. It features a lightweight and compact design, weighing just 6.5kg including tube rings, making it ideal for outdoor expeditions. Its mechanical design includes a retractable dew shield with enlarged locking screws for easy adjustment and a dual-side finder base to accommodate additional astronomical accessories without the need for disassembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual-speed rack and pinion focuser with a large 3.3-inch aperture, compatible with most motorized focusers.\u003c\/li\u003e\n\u003cli\u003eAn extended Vixen dovetail plate for improved balance on mounts and compatibility with optional Losmandy dovetail plates for versatile mounting options.\u003c\/li\u003e\n\u003cli\u003eCNC machined tube with high-quality anodization and surface spray paint, adding a stylish touch with its bright orange accents on an ivory-white body.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExperience the skies like never before with the ASKAR 120APO, crafted to bring you closer to the stars and deepen your understanding of the universe. Join the ranks of advanced astronomers and explore the night sky with precision and ease.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-3.webp\"\u003e\u003c\/p\u003e\n\u003ctable width=\"84.20%\" cellspacing=\"0\" align=\"center\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\"\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Size Diagram\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-9.webp\"\u003e\u003cimg src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-9.webp\" id=\"1698574403969179648\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eInstruction for Detaching the 120APO Segmented Lens Tube\u003cbr\u003e(suitable for the binoviewer)\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-10.webp\"\u003e\u003cimg src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-10.webp\" id=\"1698575268803928064\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-10a.webp\"\u003e\u003cimg src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-10a.webp\" alt=\"\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eThe Locking Screw Position Diagram\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-11.webp\"\u003e\u003cimg src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-11.webp\" id=\"1682296090703986688\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e120APO EAF（optional） Installation\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-12.webp\"\u003e\u003cimg src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-12.webp\" id=\"1698575437919641600\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-12a.webp\"\u003e\u003cimg src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-12a.webp\" alt=\"\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eOptical Path Diagram\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-13.webp\"\u003e\u003cimg src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-13.webp\" id=\"1698575621500133376\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eSpot Diagram\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-14.webp\"\u003e\u003cimg src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-14.webp\" id=\"1698575735500967936\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-14a.webp\"\u003e\u003cimg src=\"https:\/\/www.365astronomy.com\/image\/cache\/wp\/lj\/product\/ASKAR\/120APO\/ASKAR-120APO-askar-120apo-triplet-f-7-apochromatic-refractor-telescope-14a.webp\" alt=\"\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":43790967931057,"sku":"ASKAR-120APO","price":1499.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/askar-120apo-triplet-f7-apochromatic-refractor-telescope-512497.webp?v=1782294873"},{"product_id":"askar-sqa55-55mm-f-4-8-petzval-astrograph","title":"Askar SQA55 55mm f\/4.8 Petzval Astrograph  | Dark Clear Skies","description":"\u003ch2\u003eAskar SQA55 55mm f\/4.8 Petzval Astrograph\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAskar SQA55 55mm f\/4.8 Petzval Astrograph\u003c\/strong\u003e is a compact wide-field refractor designed specifically for astrophotography. Featuring a precision \u003cstrong\u003equintuplet air-spaced optical design\u003c\/strong\u003e incorporating both SD and ED glass elements, the Askar SQA55 delivers excellent colour correction and a naturally flat imaging field without the need for an additional field flattener.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003e264mm focal length\u003c\/strong\u003e and fast \u003cstrong\u003ef\/4.8 focal ratio\u003c\/strong\u003e, the Askar SQA55 is well suited for capturing large nebulae, star fields and wide deep-sky objects when paired with modern CMOS astronomy cameras.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Askar SQA55 side view image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/2c638bd8-1af3-4655-af56-84906c938ada.jpg?v=1772705451\"\u003e\u003c\/p\u003e\n\u003ch2\u003eAdvanced Petzval Optical Design\u003c\/h2\u003e\n\u003cp\u003eThe Askar SQA55 uses a \u003cstrong\u003equintuplet Petzval optical configuration\u003c\/strong\u003e that integrates field correction directly into the telescope. This design combines one SD glass element and one ED glass element to minimise chromatic aberration while maintaining excellent contrast and sharp star profiles across the image field.\u003c\/p\u003e\n\u003cp\u003eOn-axis star PSF performance reaches approximately \u003cstrong\u003e2.5 μm\u003c\/strong\u003e, with corner performance around \u003cstrong\u003e4 μm\u003c\/strong\u003e. This ensures tight, round stars across the frame and consistent resolution from centre to edge. The telescope supports a generous \u003cstrong\u003e44mm image circle\u003c\/strong\u003e, making the Askar SQA55 suitable for full-frame astrophotography cameras.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Camera lens with Petzval lens structure on a gray background\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/3367f0f6-5317-4fe6-b8aa-1f44f122a007.jpg?v=1772705453\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSimplified Imaging Setup\u003c\/h2\u003e\n\u003cp\u003eThanks to the Petzval optical architecture, the Askar SQA55 simplifies the imaging setup by eliminating the need for an external field flattener. Optimal performance is achieved with a camera spacing of approximately \u003cstrong\u003e55mm\u003c\/strong\u003e from the rear \u003cstrong\u003eM48×0.75 thread\u003c\/strong\u003e, although a range of \u003cstrong\u003e50–60mm\u003c\/strong\u003e is supported.\u003c\/p\u003e\n\u003cp\u003eThis flexible spacing allows the telescope to integrate easily with filter wheels, rotators and dedicated astronomy cameras used in modern astrophotography systems.\u003c\/p\u003e\n\u003ch2\u003eCompact and Portable Design\u003c\/h2\u003e\n\u003cp\u003eThe optical tube assembly features a removable and reversible lens hood, allowing the telescope to be stored in a more compact configuration for transport. This makes the Askar SQA55 particularly well suited for portable astrophotography setups and travel to dark-sky locations.\u003c\/p\u003e\n\u003cp\u003eThe OTA weighs just \u003cstrong\u003e1.84kg\u003c\/strong\u003e (approximately \u003cstrong\u003e2.18kg including handle and dovetail\u003c\/strong\u003e), making it compatible with a wide range of equatorial tracking mounts.\u003c\/p\u003e\n\u003ch2\u003eWide-Field Astrophotography Performance\u003c\/h2\u003e\n\u003cp\u003eThe short focal length and fast focal ratio make the Askar SQA55 ideal for imaging wide deep-sky targets such as emission nebulae, molecular clouds and large star fields. When paired with modern APS-C or full-frame CMOS cameras, the telescope can capture expansive regions of the night sky in a single frame.\u003c\/p\u003e\n\u003cp\u003eAstrophotographers looking for longer focal lengths may also consider larger models such as the \u003ca href=\"\/products\/askar-sqa106-f-4-8-quintuplet-petzval-apo\"\u003eAskar SQA106\u003c\/a\u003e or the \u003ca href=\"\/products\/askar-80phq-80mm-f-7-5-ed-apo-quadruplet\"\u003eAskar 80PHQ\u003c\/a\u003e, while the \u003ca href=\"\/collections\/askar\"\u003efull range of Askar telescopes\u003c\/a\u003e includes astrographs designed for a variety of astrophotography targets.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Camera lens with filter thread and quick release base position on a gray background\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/153ea354-6820-4ccb-a780-0b0651467419.jpg?v=1772705452\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Camera lens with variable-aperture details on a white background\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/b0d036cd-584a-46f5-8419-af97d2f4c945.jpg?v=1772705452\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAperture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocal Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e264mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocal Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ef\/4.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptical Design\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuintuplet Petzval APO (SD + ED glass)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImage Circle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e44mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAperture Blades\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdjustable Aperture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ef\/4.8 – f\/22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClosest Focus Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter Thread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRear Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM48×0.75 (with filter thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Back Focus\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55mm (50–60mm supported)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOTA Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.84kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.18kg (with handle and dovetail)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAstrophotography Examples\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"Grid of starry night sky images from different parts of the frame.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/c2203a57-dbbd-4eaa-9d78-a6fb1922b24f.jpg?v=1772705452\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNGC 7000 – captured with the Askar SQA55 and ZWO ASI6200 camera\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"star shape grid\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/3f7feeb0-0bd4-4921-821b-52d5bcf4fb58.jpg?v=1772705451\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eM20 \u0026amp; M8 – captured with the Askar SQA55 and ZWO ASI2600MC Pro\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Red and black nebula with star formation, possibly in space.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/fa1405f3-39a2-492c-a514-56335ce844cc.jpg?v=1772705453\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNGC 6888 – captured with the Askar SQA55 and ZWO ASI2600M\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg alt=\"Glowing nebula with red and blue colors against a starry black background\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/askar-80phq-80mm-f-7.5-ed-apo-quadruplet-apochromatic-astrograph-refractor-telescope-NGC2264.webp?v=1772703957\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eRecommended Camera Pairings\u003c\/h2\u003e\n\u003cp\u003eThe Askar SQA55 pairs exceptionally well with modern cooled astronomy cameras. Many astrophotographers combine this telescope with \u003cstrong\u003ePlayer One Astronomy cameras\u003c\/strong\u003e such as the Poseidon and Neptune series to take advantage of their high sensitivity and low read noise performance.\u003c\/p\u003e\n\u003cp\u003eFor wide-field deep-sky imaging the telescope works particularly well with the \u003cstrong\u003ePlayer One Poseidon-C Pro\u003c\/strong\u003e and \u003cstrong\u003ePlayer One Neptune-C II\u003c\/strong\u003e, delivering excellent colour imaging across the full frame.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":44618187473073,"sku":"SQA55","price":795.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/sqa55_side_view.webp?v=1758012980"},{"product_id":"askar-sqa85-85mm-f-4-8-quintuplet-astrograph","title":"Askar SQA85 85mm f\/4.8 Quintuplet Astrograph | Dark Clear Skies","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eAskar SQA85 85mm f\/4.8 Quintuplet Astrograph Refractor Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Askar SQA85 85mm f\/4.8 Quintuplet Astrograph is a high-performance 85mm quintuplet Petzval APO refractor telescope, designed for serious astrophotographers seeking exceptional clarity and detail. With a fast focal ratio of f\/4.8, this telescope delivers sharp, high-contrast images, even across a full-frame sensor, making it ideal for capturing breath taking views of deep-sky objects.\u003c\/p\u003e\n\u003ch3\u003eAskar SQA85 85mm f\/4.8 Quintuplet Astrograph Outstanding Optics\u003c\/h3\u003e\n\u003cp\u003eThe Askar SQA85 85mm f\/4.8 Quintuplet Astrograph features a quintuplet lens system, including two SD (Super Low Dispersion) glass elements, which significantly reduces chromatic aberration and enhances image quality. Its precision-crafted optics ensure edge-to-edge sharpness and bring out incredible detail in celestial objects.\u003c\/p\u003e\n\u003ch3\u003eAskar SQA85 85mm f\/4.8 Quintuplet Astrograph Compact and Lightweight Design\u003c\/h3\u003e\n\u003cp\u003eWith a total length of just 403mm when the dew shield is contracted, and weighing only 3.64kg, the SQA85 is highly portable yet robust. The lightweight design makes it easy to transport and set up, while the compact structure ensures it can integrate smoothly with most astrophotography setups.\u003c\/p\u003e\n\u003ch3\u003eAskar SQA85 85mm f\/4.8 Quintuplet Astrograph\u003c\/h3\u003e\n\u003ch3\u003eVersatile Connection Options\u003c\/h3\u003e\n\u003cp\u003eThe Askar SQA85 85mm f\/4.8 Quintuplet Astrograph offers adaptable rear-end threads, supporting M48, M54, and M68 adapters, with a connection distance range of 40-70mm (recommended length: 55mm). This flexibility makes it compatible with a wide range of cameras and accessories, giving you the freedom to expand your astrophotography options.\u003c\/p\u003e\n\u003ch3\u003eStandard Package Includes\u003c\/h3\u003e\n\u003cp\u003eEvery Askar SQA85 85mm f\/4.8 Quintuplet Astrograph comes with an OTA (Optical Tube Assembly) and a durable Oxford cloth carrying case, ensuring your telescope is protected during transport and storage. An optional electronic focuser is also available for those who seek enhanced focusing precision.\u003c\/p\u003e\n\u003ch3\u003eExplore the Universe\u003c\/h3\u003e\n\u003cp\u003eUnlock the wonders of the cosmos with the Askar SQA85 85mm f\/4.8 Quintuplet Astrograph. Whether you’re capturing detailed images of nebulae, galaxies, or star clusters, this APO refractor delivers exceptional performance and versatility for every astrophotography adventure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"saf-detail-0\" class=\"cbox-15 p_loopItem\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"e_richText-17 s_title clearfix\"\u003e\n\u003cdiv id=\"ce_detail-292553\" class=\"ce_detail\"\u003e\n\u003cdiv id=\"ie_grid-1721027372230\" class=\"ie_grid\"\u003e\n\u003cdiv class=\"ie_grid signal\"\u003e\n\u003cdiv class=\"e_box e_box-000 p_gridbox\"\u003e\n\u003cdiv id=\"content_ie-1721027372230-0\" class=\"e_box e_box-000 d_gridCell_0 p_gridCell\"\u003e\n\u003cdiv id=\"ie_fimg-1721027372235\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/new2022072923460240318\/cms\/image\/a30c51ab-d255-4fe3-9a5e-2c0a3ed3aeb9.jpg\" id=\"1839108823218536448\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1721027372240\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg width=\"100%\" src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/09b2be19-bb01-4f8b-be2e-85eb90190386.jpg\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1721027372270\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg width=\"100%\" src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/7e9fc31c-406b-4930-b0ea-25aa910f3e2c.jpg\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1721027372290\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/new2022072923460166674\/cms\/image\/24232a93-5657-4ef2-9e97-a3a50b04aa14.gif\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1721027372295\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg width=\"100%\" src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/3b6c307f-e79a-463b-aef0-89b13928aa95.jpg\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1721027372300\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg width=\"100%\" src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/dc18096b-86c9-4f02-9ebf-7c613437c5a7.jpg\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1721027372305\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg width=\"100%\" src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/809e7a44-f33f-4f06-9308-8f4b4419a880.jpg\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1722390754735\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/new2022072923460240318\/cms\/image\/c11f2e1b-9bfe-4f1c-b278-895bf4bd452d.gif\" id=\"1818880224331497472\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1722390726959\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg width=\"100%\" src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/c92fab35-d3f7-45f0-b4c9-0a3c0608cd45.jpg\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_grid-1722390796511\" class=\"ie_grid\"\u003e\n\u003cdiv class=\"ie_grid signal\"\u003e\n\u003cdiv class=\"e_box e_box-000 p_gridbox\"\u003e\n\u003cdiv id=\"content_ie-1722390796511-0\" class=\"e_box e_box-000 d_gridCell_0 p_gridCell\"\u003e\n\u003cdiv id=\"ie_grid-1722390811287\" class=\"ie_grid\"\u003e\n\u003cdiv class=\"ie_grid\"\u003e\n\u003cdiv class=\"e_box e_box-000 p_gridbox\"\u003e\n\u003cdiv id=\"content_ie-1722390811287-0\" class=\"e_box e_box-000 d_gridCell_0 p_gridCell\"\u003e\n\u003cdiv id=\"ie_fimg-1722390821841\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg width=\"100%\" src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/61250eb4-51eb-45b1-98f4-857c75533f1e.jpg\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"content_ie-1722390811287-1\" class=\"e_box e_box-000 d_gridCell_1 p_gridCell\"\u003e\n\u003cdiv id=\"ie_fimg-1722390838351\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg width=\"100%\" src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/eef41280-f14f-4112-8a94-7a682034f02b.jpg\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1722390852361\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/new2022072923460166674\/cms\/image\/da3a338c-6a08-455e-a05e-d3f2c9ce6202.gif\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1722390889663\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg width=\"100%\" src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/ec6d3a1f-5223-4200-9ebf-1b8fac589151.jpg\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1721027372310\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg width=\"100%\" src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/c2e9be1d-26cf-4bee-b0c8-d72bbbdc2209.jpg\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1721027372315\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg width=\"100%\" src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/6088e3ec-3f1b-4a97-896f-43dbfa874507.jpg\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1721027372320\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg width=\"100%\" src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/efb693eb-bb58-4484-9c5a-91c34be13c8f.jpg\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1721027372325\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg width=\"100%\" src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/f580ed7c-3b7b-485c-89cd-5d9f5d71a633.jpg\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1721027372330\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg width=\"100%\" src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/7a0a57fa-25fa-46c6-be0f-565fd2515873.jpg\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ie_fimg-1721027372335\" class=\"ie_fimg\"\u003e\n\u003cdiv\u003e\u003cimg width=\"100%\" src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/dbf9e1f5-564c-4f61-b816-f8df234495a1.jpg\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/new2022072923460240318\/cms\/image\/58475961-2259-4c09-b67c-b75d08f64724.jpg\" id=\"1838458982399692800\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"saf-detail-1\" class=\"cbox-15 p_loopItem\"\u003e\n\u003ch3 class=\"e_h3-18 s_summary\"\u003eAskar SQA85 85mm f\/4.8 Quintuplet Astrograph Specifications\u003c\/h3\u003e\n\u003cdiv class=\"e_richText-17 s_title clearfix\"\u003e\n\u003ctable width=\"84.20%\" cellspacing=\"0\" align=\"center\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\"\u003e\n\u003cp\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eAperture size\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e85mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eFocal length\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e408mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eFocal ratio\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003ef\/4.8\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eObjective lens\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eQuintuplet petzval APO（including two pieces of SD glass）\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eTotal length\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e403mm(when the dew shield is contracted)\u003cbr\u003e439mm(when the dew shield is stretched)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eFormat specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eFull-frame\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eOTA weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e3.64kg\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eGross weight（including tube ring and dovetail plate）\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e4.62kg\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eRear-end thread type\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eM48\/M54\/M68 adapters\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eRear-end connection distance\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eSupport 40-70mm range (Recommended connection length is 55mm)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eStandard package items\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003ea SQA85 OTA, an Oxford cloth case\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"84.20%\" cellspacing=\"0\" align=\"center\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\"\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Size Diagram\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/new2022072923460240318\/cms\/image\/75f320c8-8252-42de-96b9-925ae12a073f.jpg\" id=\"1818486278647209984\"\u003e\u003c\/p\u003e\n\u003ctable width=\"84.20%\" cellspacing=\"0\" align=\"center\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe Locking Screw Position Diagram\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/new2022072923460240318\/cms\/image\/f0bf29a2-4415-4a51-a886-e5286b2caf1e.jpg\" id=\"1818488667286908928\"\u003e\u003c\/p\u003e\n\u003ctable width=\"84.20%\" cellspacing=\"0\" align=\"center\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\"\u003e\n\u003cp\u003e\u003cstrong\u003eSQA85 AFkit Electronic Focuser Assembly Diagram\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/new2022072923460240318\/cms\/image\/41845f58-0a1b-4c7e-a55a-304511b3d947.jpg\" id=\"1818489256431083520\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/new2022072923460240318\/cms\/image\/8d4c0ad6-46d1-4876-b68b-38c7b92c4baf.jpg\" id=\"1818488815884509184\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"saf-detail-2\" class=\"cbox-15 p_loopItem\"\u003e\n\u003ch3 class=\"e_h3-18 s_summary\"\u003eVideo\u003c\/h3\u003e\n\u003cdiv class=\"e_richText-17 s_title clearfix\"\u003e\n\u003cdiv class=\"video-box\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"saf-detail-3\" class=\"cbox-15 p_loopItem\"\u003e\n\u003ch3 class=\"e_h3-18 s_summary\"\u003eImages\u003c\/h3\u003e\n\u003cdiv class=\"e_richText-17 s_title clearfix response-transition\"\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/new2022072923460166674\/cms\/image\/d81a6fec-1408-4fa3-9cf1-6276bbeaba69.jpg\" id=\"1810207183107108864\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/new2022072923460240318\/cms\/image\/4537e085-bc41-4299-b134-e7a5e43a7500.jpg\" id=\"1819181293616832512\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMr.ZhuLiQun  |  Veil Nebula  |  ASKAR SQA85 + ZWO ASI6200MM\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/new2022072923460166674\/cms\/image\/b267547a-b465-403b-adcd-dddaa94d0558.jpg\" id=\"1813016410414493696\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/new2022072923460166674\/cms\/image\/4e888085-9899-49cc-8041-9c0aba996880.png\" id=\"1813016630833209344\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003esandwall  |  NGC6590  |  ASKAR SQA85 + ZWO ASI 2600MC Pro\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/new2022072923460166674\/cms\/image\/811c9820-8779-4c9e-ac3d-bec58f4ddb10.jpg\" id=\"1834416059218755584\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/new2022072923460166674\/cms\/image\/d9bbd52f-f0ce-40e9-b0e4-622720579fa7.jpg\" id=\"1834416083822923776\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003esandwall  |  M31  |  ASKAR SQA85 + ZWO ASI 2600MC Pro\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Refractor Telescope","offers":[{"title":"Default Title","offer_id":53627199029624,"sku":"askar_sqa85","price":2395.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/sqa85_side_view.webp?v=1758013052"},{"product_id":"askar-sqa70","title":"Askar SQA70 70mm f\/4.8 Quintuplet Astrograph | Dark Clear Skies","description":"\u003c!-- Askar SQA70 – Product Description (Shopify HTML) --\u003e\n\u003cdiv class=\"dcs-product space-y-6\"\u003e\n\u003ch1\u003eAskar SQA70 – Compact Quintuplet Petzval Astrograph\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eAskar SQA70\u003c\/strong\u003e is a fast, wide-field astrograph designed for crisp, flat images across today’s large sensors. Its \u003cstrong\u003equintuplet Petzval\u003c\/strong\u003e optical design (with ED glass) delivers \u003cem\u003etight, colour-pure stars\u003c\/em\u003e to the corners—no separate field flattener required. Lightweight, travel-friendly, and purpose-built for deep-sky imaging.\u003c\/p\u003e\n\u003ch3\u003eWhy astrophotographers love it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast \u0026amp; wide:\u003c\/strong\u003e ~336 mm focal length at around \u003cstrong\u003ef\/4.8\u003c\/strong\u003e for low-noise, wide-field captures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue flat field:\u003c\/strong\u003e Petzval design keeps stars sharp to the edge, ideal for APS-C and \u003cstrong\u003efull-frame\u003c\/strong\u003e sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent colour control:\u003c\/strong\u003e ED elements reduce chromatic aberration for clean, high-contrast data.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable build:\u003c\/strong\u003e Compact tube with retractable dew shield; easy to mount and balance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImaging-ready rear end:\u003c\/strong\u003e Robust focuser and common adapter threads for straightforward camera hookup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it’s great for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLarge nebulae, Milky Way star fields, dark-nebula complexes\u003c\/li\u003e\n\u003cli\u003eWide mosaics and fast survey projects\u003c\/li\u003e\n\u003cli\u003eTravel rigs where size, speed, and field flatness matter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical summary\u003c\/h3\u003e\n\u003ctable role=\"table\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border-bottom: 1px solid #e5e7eb;\"\u003eOptical design\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #e5e7eb;\"\u003eQuintuplet Petzval (ED glass, native flat field)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border-bottom: 1px solid #e5e7eb;\"\u003eAperture\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #e5e7eb;\"\u003e70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border-bottom: 1px solid #e5e7eb;\"\u003eFocal length \/ Ratio\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #e5e7eb;\"\u003e≈ 336 mm  |  f\/4.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border-bottom: 1px solid #e5e7eb;\"\u003eImage circle\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #e5e7eb;\"\u003eFull-frame compatible (flat, corrected field)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border-bottom: 1px solid #e5e7eb;\"\u003eFocuser\u003c\/th\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #e5e7eb;\"\u003ePrecision rack-and-pinion, dual-speed (imaging grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border-bottom: 1px solid #e5e7eb;\"\u003eTube length\u003c\/th\u003e\n\u003ctd\u003e \n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"cbox-57 p_loopItem\" id=\"saf-detail-0\"\u003e\n\u003ch3 class=\"e_h3-72 s_summary\"\u003eProduct introduction\u003c\/h3\u003e\n\u003cdiv class=\"e_richText-73 s_title clearfix\"\u003e\n\u003cdiv class=\"ce_detail\" id=\"ce_detail-296493\" data-layout=\"flow\"\u003e\n\u003cdiv class=\"ie_grid\" id=\"ie_grid-1737622455744\"\u003e\n\u003cdiv class=\"ie_grid signal\"\u003e\n\u003cdiv class=\"e_box e_box-000 p_gridbox\"\u003e\n\u003cdiv class=\"e_box e_box-000 d_gridCell_0 p_gridCell\" id=\"content_ie-1737622455744-0\"\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1737622455749\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/499a9aff-2279-44a2-b9b7-17d623d429f4.jpg\" width=\"100%\" height=\"100%\" alt=\"长友气体\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1737622455754\"\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/cc4f41c4-88c5-4e56-9324-f33223f7d5b0.jpg\" alt=\"长友气体\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/a1d9dbbe-4f02-4ff9-9e9c-5f169537ca71.jpg\" alt=\"长友气体\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1737622455804\"\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/deca2df2-5ba8-462b-8ae9-6a6a2cf8b0f0.jpeg\" width=\"100%\" height=\"100%\" alt=\"长友气体\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/98039f22-5e7d-4fbb-b776-64d36773ba35.jpg\" alt=\"长友气体\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/6c67541f-2a61-49cf-b314-77ebe0c483ca.gif\" alt=\"长友气体\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1737622455814\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/af7cf5ba-c36c-4ff6-9e49-51642d90a93e.jpg\" width=\"100%\" height=\"100%\" alt=\"长友气体\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1738727791424\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/d2e21b98-5d07-43c6-93ae-d75c2e75e208.jpg\" width=\"100%\" height=\"100%\" alt=\"长友气体\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1737622455819\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/c2130013-04b9-409f-8a4e-13056dcad7ec.jpg\" width=\"100%\" height=\"100%\" alt=\"长友气体\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_grid\" id=\"ie_grid-1738727833582\"\u003e\n\u003cdiv class=\"ie_grid\"\u003e\n\u003cdiv class=\"e_box e_box-000 p_gridbox\"\u003e\n\u003cdiv class=\"e_box e_box-000 d_gridCell_0 p_gridCell\" id=\"content_ie-1738727833582-0\"\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1738727843181\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/6852eaf8-b578-4325-929e-3735c9d91a4f.jpg\" width=\"100%\" height=\"100%\" alt=\"长友气体\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e_box e_box-000 d_gridCell_1 p_gridCell\" id=\"content_ie-1738727833582-1\"\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1738727845779\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/4c6275b4-b510-49cc-b07c-9fd81e057cf1.gif\" alt=\"长友气体\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1738727885648\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/d5df7daf-e4b8-4a2a-972e-ee80ec9e5193.gif\" alt=\"长友气体\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1737622455824\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/12a24f97-00e1-458d-aa3f-3207557522d0.jpg\" width=\"100%\" height=\"100%\" alt=\"长友气体\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1737622455829\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/acf4c034-ab6b-4e4f-9e2f-35cc27d98f86.jpg\" width=\"100%\" height=\"100%\" alt=\"长友气体\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1737622455834\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/f264430c-d6c6-49f1-9270-c78591c65e6a.jpg\" width=\"100%\" height=\"100%\" alt=\"长友气体\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1737622455839\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/ee3d1d2b-bdd5-46da-8b4f-a99ff48ab786.jpg\" width=\"100%\" height=\"100%\" alt=\"长友气体\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1737622455844\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/a2406c81-2c79-4c49-a977-fb198d763275.jpg\" width=\"100%\" height=\"100%\" alt=\"长友气体\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1737622455849\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/63623c76-aac9-48ef-882e-4154e31dd34c.jpg\" alt=\"长友气体\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1737622455854\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/cbd06f54-fc31-4c00-ba2f-6ab5c39b7841.jpg\" alt=\"长友气体\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cbox-57 p_loopItem\" id=\"saf-detail-1\"\u003e\n\u003ch3 class=\"e_h3-72 s_summary\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"e_richText-73 s_title clearfix\"\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable align=\"center\" cellspacing=\"0\" width=\"84.20%\" border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\" colspan=\"3\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eAperture size\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e70mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eFocal length\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e336mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eFocal ratio\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003ef\/4.8\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eObjective lens\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eQuintuplet petzval APO（including two pieces of ED glass）\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eTotal length\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e332mm(when the dew shield is contracted)\u003c\/strong\u003e       \u003cbr\u003e\u003cstrong\u003e372mm(when the dew shield is stretched)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eFormat specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003efull frame（44mm）\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eOTA weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e2.68kg\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eGross weight（including tube ring and dovetail plate）\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e3.5kg\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eRear-end thread type\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eM42\/M48(with M48×0.75 filter thread)\/M54 adapters\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eRear-end connection distance\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eSupport 37-68mm range (Recommended connection length is 55mm)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eStandard package items\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003ea SQA70 OTA, an Oxford cloth case\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\" colspan=\"3\"\u003e\u003cstrong\u003eProduct Size Diagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/8d292646-f919-4112-bd3f-5dd0f2bf88b5.jpg\" alt=\"长友气体\"\u003e\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\" colspan=\"3\"\u003e\u003cstrong\u003eSQA70 Connection Diagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/62c83762-5d3a-4e2d-89b8-c685b858ddd5.jpg\" alt=\"长友气体\"\u003e\u003c\/figure\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\" colspan=\"3\"\u003e\u003cstrong\u003eThe  Locking Screw Position Diagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/c5de3e75-9421-4e89-84e0-f05312ce3cb8.jpg\" alt=\"长友气体\"\u003e\u003c\/figure\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\" colspan=\"3\"\u003e\u003cstrong\u003eSQA70 Electronic Focuser Assembly Diagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/ecf1a960-561a-4e5e-803a-f96bbd192fc5.jpg\" alt=\"长友气体\"\u003e\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/0e0ab408-fc4e-4bd9-b6fc-98ee34b536a9.jpg\" alt=\"长友气体\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cbox-57 p_loopItem\" id=\"saf-detail-2\"\u003e\n\u003ch3 class=\"e_h3-72 s_summary\"\u003eVideo\u003c\/h3\u003e\n\u003cdiv class=\"e_richText-73 s_title clearfix\"\u003e\n\u003cdiv class=\"video-box\" controlslist=\"nodownload\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/g2OrZKbUPeE?si=zPZSl0ziEdaDIXyW\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cbox-57 p_loopItem\" id=\"saf-detail-3\"\u003e\n\u003ch3 class=\"e_h3-72 s_summary\"\u003eImages\u003c\/h3\u003e\n\u003cdiv class=\"e_richText-73 s_title clearfix response-transition\"\u003e\n\u003cfigure class=\"image image_resized\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/c3bbe53d-7cb2-4f0d-88c1-1b09057eedda.jpg\" alt=\"长友气体\"\u003e\n\u003cfigcaption\u003e\u003cspan\u003e\u003cstrong\u003eBrandon Boss  |  Andromeda Galaxy (M31)  |  ASKAR SQA70 + ZWO ASI533MC Pro\u003c\/strong\u003e\u003c\/span\u003e\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cfigure class=\"image image_resized\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/1de1cb34-ec83-4d8b-9052-a5940e8144d4.jpg\" alt=\"长友气体\"\u003e\n\u003cfigcaption\u003e\u003cspan\u003e\u003cstrong\u003eSascha Wyss  |  M24 Region  |  ASKAR SQA70 + ZWO ASI2600MC AIR\u003c\/strong\u003e\u003c\/span\u003e\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cfigure class=\"image image_resized\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/4d611550-dd51-409b-8429-1e194e944ece.jpg\" alt=\"长友气体\"\u003e\n\u003cfigcaption\u003e\u003cspan\u003e\u003cstrong\u003e郑寅杰  |  IC 1805  Heart Nebula  |  ASKAR SQA70 + ZWO ASI 2600MC\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":55279578808696,"sku":"ASKR-SQA70","price":1436.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/sqa70sideview.png?v=1758012319"},{"product_id":"askar-50p-50mm-f3-8-petzval-apo-astrograph","title":"Askar 50P 50mm f\/3.8 Petzval APO Astrograph","description":"\u003csection class=\"product-intro\"\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAskar 50P\u003c\/strong\u003e is a compact, fast astrograph built for wide-field astrophotography. Its \u003cstrong\u003e50mm aperture\u003c\/strong\u003e and \u003cstrong\u003e190mm focal length\u003c\/strong\u003e deliver a bright \u003cstrong\u003ef\/3.8\u003c\/strong\u003e system, while the \u003cstrong\u003equadruplet Petzval APO\u003c\/strong\u003e design (including SD glass) helps maintain sharp stars and a well-corrected field across common imaging sensors.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"product-gallery\"\u003e\n\u003ch2\u003eProduct Images\u003c\/h2\u003e\n\u003cdiv class=\"grid-2\"\u003e\n\u003cfigure\u003e\u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/5292dcab-fa56-4457-8879-1512e5618129.jpg?v=1772019187\" alt=\"Askar 50P astrograph product overview showing included components\"\u003e\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/6813d778-e041-4259-a22d-18dbc475980c.jpg?v=1772019186\" alt=\"Askar 50P astrograph with lens hood fitted\"\u003e\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/338d954a-38b6-4f25-b820-43c327bc4c1a.jpg?v=1772019186\" alt=\"Askar 50P showing integrated tube ring on a white background\"\u003e\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/0cfe59cc-1766-441b-af73-f2ea07d756c9.jpg?v=1772019189\" alt=\"Askar 50P component diagram with labeled parts\"\u003e\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/907ef3e5-4a40-46a9-b000-c0c7cc97a559.jpg?v=1772019187\" alt=\"Askar 50P optical tube overview on a white background\"\u003e\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/55ea76d3-0a16-4cc6-9f7b-ab8ddbf67162.jpg?v=1772019186\" alt=\"Askar 50P labeled product diagram on a white background\"\u003e\u003c\/figure\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"product-specs\"\u003e\n  \u003ciframe width=\"1455\" height=\"728\" src=\"https:\/\/www.youtube.com\/embed\/PWxBtUB0jTE\" title=\"Askar 50P Promotion Video\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAperture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocal Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e190mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocal Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ef\/3.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eObjective Lens\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuadruplet Petzval APO (including one SD glass element)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e147mm (dew shield contracted)\u003cbr\u003e182mm (dew shield extended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Sensor Formats\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupports APS-C; optimised for 1-inch sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGross Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.4kg (including tube ring and dovetail plate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRear Thread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM48 adapter (with M48×0.75 filter thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Connection Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupports 50–65mm range (recommended 55mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIn the Box\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50P OTA, manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection class=\"diagrams\"\u003e\n\u003ch2\u003eDiagrams \u0026amp; Optical Data\u003c\/h2\u003e\n\u003cfigure\u003e\n\u003cfigcaption class=\"pkg-text\"\u003e\u003cstrong\u003eProduct Size Diagram\u003c\/strong\u003e\u003c\/figcaption\u003e\n\u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/947478ac-889e-41e4-b5b3-48f57504840d_1.jpg?v=1772019187\" alt=\"Askar 50P size diagram with dimensions\"\u003e\u003c\/figure\u003e\n\u003cfigure\u003e\n\u003cfigcaption class=\"pkg-text\"\u003e\u003cstrong\u003eConnection Diagram\u003c\/strong\u003e\u003c\/figcaption\u003e\n\u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/269b1107-c073-47d7-898c-06072ec8e183.jpg?v=1772019187\" alt=\"Askar 50P connection diagram showing imaging train layout\"\u003e\u003c\/figure\u003e\n\u003cfigure\u003e\n\u003cfigcaption class=\"pkg-text\"\u003e\u003cstrong\u003eOptical Path Diagram\u003c\/strong\u003e\u003c\/figcaption\u003e\n\u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/ff3c7c5f-3de2-498d-b481-2540c6f22f3b_1.jpg?v=1772019187\" alt=\"Askar 50P optical path diagram with ray traces\"\u003e\u003c\/figure\u003e\n\u003cfigure\u003e\n\u003cfigcaption class=\"pkg-text\"\u003e\u003cstrong\u003eSpot Diagram\u003c\/strong\u003e\u003c\/figcaption\u003e\n\u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/284a5f0d-85d4-448e-846a-259a15ba9941.jpg?v=1772019186\" alt=\"Askar 50P spot diagram showing field performance\"\u003e\u003c\/figure\u003e\n\u003c\/section\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":55475242959224,"sku":"Askar-50P","price":299.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/dfc3d26a-5388-4fd3-b183-57fe8fd4f954.png_1180xaf.png?v=1772018789"},{"product_id":"askar-sqa60-pro","title":"Askar SQA60 pro","description":"\u003ch2\u003e\u003cspan\u003eA high-performance sextuplet, air-spaced Petzval astrograph featuring SD glass elements.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"cbox-57 p_loopItem\" id=\"saf-detail-0\"\u003e\n\u003cdiv class=\"e_richText-73 s_title clearfix response-transition\"\u003e\n\u003cdiv class=\"ce_detail\" id=\"ce_detail-303161\"\u003e\n\u003cdiv class=\"ie_grid\" id=\"ie_grid-1773712634603\"\u003e\n\u003cdiv class=\"ie_grid signal\"\u003e\n\u003cdiv class=\"e_box e_box-000 p_gridbox response-transition\"\u003e\n\u003cdiv class=\"e_box e_box-000 d_gridCell_0 p_gridCell response-transition\" id=\"content_ie-1773712634603-0\"\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1773712634608\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/8cc42bcf-276b-40a4-bf03-876c09591455.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1773712634613\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/21ae88eb-1f4e-4e8c-b99a-5c35a268786e.jpg\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1773712634643\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/87c4591f-f24d-4d94-9254-2bcb89309554.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1773712634663\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/ac0a0c53-3320-4069-9c6c-c3eab6d939be.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1773712634668\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/9ca317ee-112f-4eda-a15e-dd125041d915.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1773712634673\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/a35b8584-c092-4305-8b82-3fd47c90fdf1.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1773712634678\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/14a1e875-3c58-4057-864b-b7ca6cf5badf.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1773712634683\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/9cfa162b-84a7-4833-898d-9c5124fdf7c6.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1774342152732\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/c57b18a5-8ec5-48da-9ce9-6a079cb520fe.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\"\u003e\u003cvideo autoplay=\"autoplay\" loop=\"loop\" muted=\"\" playsinline=\"\"\u003e\u003c\/video\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1774342188544\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/a1257f92-2974-40ba-aa0c-ea47a1f15324.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1773712634688\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/03a9bc0f-07fb-49e3-be12-d880a47961f4.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1774342211216\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/a75cf60a-176f-4c21-a4ae-6176f4f46816.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1774342221205\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/0a1cf1b6-12b3-4fdf-813c-3f1a26b7e818.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1774342345688\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/4c988e85-3b2a-46c8-8e6a-ffe0544e925f.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cbox-57 p_loopItem\" id=\"saf-detail-1\"\u003e\n\u003ch3 class=\"e_h3-72 s_summary\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"e_richText-73 s_title clearfix\"\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable align=\"center\" cellspacing=\"0\" width=\"84.20%\" border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\" colspan=\"3\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eAperture size\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e60mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eFocal length\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e276mm \u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eFocal ratio\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003ef\/4.6\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eObjective lens\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eSextuplet petzval APO (includes 2 pieces of SD glass )\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eTotal length\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e283mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eFormat specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eFull frame(44mm)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eOTA weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e2.79kg\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eGross weight（including tube ring and dovetail plate）\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e3.54kg\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eRear-end thread type\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eM48 adapter (with M48×0.75 filter thread)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eRear-end connection distance\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eSupport 41-66mm range (Recommended connection length is 55mm)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eStandard package items\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003ea SQA60pro OTA, an Oxford cloth case\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\" colspan=\"3\"\u003e\u003cstrong\u003eProduct Size Diagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/04be28da-fffb-420a-a0d7-44a79d493e6b.jpg\"\u003e\u003c\/figure\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\" colspan=\"3\"\u003e\u003cstrong\u003eConnection Diagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/4b9fac09-4531-4067-b662-0fdfbea13781.jpg\"\u003e\u003c\/figure\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\" colspan=\"3\"\u003e\u003cstrong\u003eThe  Locking Screw Position Diagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/3e96c7b0-e46e-485f-ae92-5b641f56933c.jpg\"\u003e\u003c\/figure\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\" colspan=\"3\"\u003e\u003cstrong\u003eElectronic Focuser Assembly Diagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/60cad934-ee8e-493f-a868-625b08817a4c.jpg\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cbox-57 p_loopItem\" id=\"saf-detail-2\"\u003e\n\u003ch3 class=\"e_h3-72 s_summary\"\u003eVideo\u003c\/h3\u003e\n\u003cdiv class=\"e_richText-73 s_title clearfix\"\u003e\n\u003cdiv class=\"video-box\" controlslist=\"nodownload\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/z5FaVw8LnnU?si=pKm0LtImWMgt75Ej\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cbox-57 p_loopItem\" id=\"saf-detail-3\"\u003e\n\u003ch3 class=\"e_h3-72 s_summary\"\u003eImages\u003c\/h3\u003e\n\u003cdiv class=\"e_richText-73 s_title clearfix\"\u003e\n\u003cfigure class=\"image image_resized\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/1e56440c-e98d-42a2-8a46-4c3287a2a583.jpg\"\u003e\u003c\/figure\u003e\n\u003cfigure class=\"image image_resized\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/f1de5b71-cb74-4890-afa5-c70e4f209d7b.jpg\"\u003e\n\u003cfigcaption\u003e\u003cspan\u003e\u003cstrong\u003e阿强  |  M81\u0026amp;M82  |  Askar SQA60pro + ZWO ASI2600MC\u003c\/strong\u003e\u003c\/span\u003e\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cbox-57 p_loopItem\" id=\"saf-detail-4\"\u003e\n\u003ch3 class=\"e_h3-72 s_summary\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003c\/div\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":55586208874872,"sku":"ask60pro","price":1249.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/214e6e06-dfe6-4a41-973f-739b68d8b976.webp?v=1782291357"},{"product_id":"askar-131f-flat-field-quadruple-astrograph","title":"Askar 131F Flat Field quadruple Astrograph","description":"\u003ch2 class=\"e_h3-72 s_summary response-transition\"\u003e\u003cspan\u003eSelf-flattened quadruplet Astrograph which can be used for visual observing and astrophotography. \u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"e_richText-73 s_title clearfix response-transition\"\u003e\n\u003cdiv class=\"ce_detail\" id=\"ce_detail-300929\"\u003e\n\u003cdiv class=\"ie_grid\" id=\"ie_grid-1758692328106\"\u003e\n\u003cdiv class=\"ie_grid signal\"\u003e\n\u003cdiv class=\"e_box e_box-000 p_gridbox response-transition\"\u003e\n\u003cdiv class=\"e_box e_box-000 d_gridCell_0 p_gridCell response-transition\" id=\"content_ie-1758692328106-0\"\u003e\n\u003cdiv class=\"ie_grid\" id=\"ie_grid-1758692328111\"\u003e\n\u003cdiv class=\"ie_grid signal\"\u003e\n\u003cdiv class=\"e_box e_box-000 p_gridbox response-transition\"\u003e\n\u003cdiv class=\"e_box e_box-000 d_gridCell_0 p_gridCell response-transition\" id=\"content_ie-1758692328111-0\"\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1758692328116\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/3d13b4c3-a038-41cf-a53a-6cd4aeb1dde7.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"cbox-57 p_loopItem\" id=\"saf-detail-0\"\u003e\n\u003cdiv class=\"e_richText-73 s_title clearfix response-transition\"\u003e\n\u003cdiv class=\"ce_detail\" id=\"ce_detail-300929\"\u003e\n\u003cdiv class=\"ie_grid\" id=\"ie_grid-1758692328106\"\u003e\n\u003cdiv class=\"ie_grid signal\"\u003e\n\u003cdiv class=\"e_box e_box-000 p_gridbox response-transition\"\u003e\n\u003cdiv class=\"e_box e_box-000 d_gridCell_0 p_gridCell response-transition\" id=\"content_ie-1758692328106-0\"\u003e\n\u003cdiv class=\"ie_grid\" id=\"ie_grid-1758692328111\"\u003e\n\u003cdiv class=\"ie_grid signal\"\u003e\n\u003cdiv class=\"e_box e_box-000 p_gridbox response-transition\"\u003e\n\u003cdiv class=\"e_box e_box-000 d_gridCell_0 p_gridCell response-transition\" id=\"content_ie-1758692328111-0\"\u003e\n\u003cdiv class=\"reset_style\" id=\"ie_text-1758692328371\"\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eThe Askar 131F is a large-aperture telescope designed for astronomy enthusiasts, featuring a 131mm aperture, 983mm focal length, and a native F7.5 focal ratio.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt employs a quadruplet optical lens design with three elements in the front and one in the rear, including one piece of  ED glass to effectively suppress chromatic aberration. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cvideo autoplay=\"autoplay\" loop=\"loop\" muted=\"\" playsinline=\"\"\u003e\u003c\/video\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1758692328376\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/4f99667b-b292-47ac-ae31-c1634d00cf1b.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eThe lens tube incorporates an internal baffle to block stray light, further enhancing image quality. The Askar 131F supports full-frame imaging and delivers excellent star performance across the frame.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1760342212795\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/8123866b-9cf3-4a57-ab98-ae6313f8a599.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"reset_style\" id=\"ie_text-1758692328391\"\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eContinuing the F series' self-flattening design, users can achieve optimal imaging without purchasing an additional flattener or calculating back focus. Simply connect the imaging accessory, achieve focus, and you're ready to shoot—streamlining the process and lowering the barrier to use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"e_box e_box-000 d_gridCell_2 p_gridCell\" id=\"content_ie-1758782785515-2\"\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1758782834511\"\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_grid\" id=\"ie_grid-1760342352395\"\u003e\n\u003cdiv class=\"ie_grid\"\u003e\n\u003cdiv class=\"e_box e_box-000 p_gridbox\"\u003e\n\u003cdiv class=\"e_box e_box-000 d_gridCell_0 p_gridCell\" id=\"content_ie-1760342352395-0\"\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1760342352397\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/ea686e4b-3e77-4191-9e28-772c3e113c7a.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e_box e_box-000 d_gridCell_1 p_gridCell\" id=\"content_ie-1760342352395-1\"\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1760342352398\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/87588982-4146-46ea-b086-25a4c8e1a295.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e_box e_box-000 d_gridCell_2 p_gridCell\" id=\"content_ie-1760342352395-2\"\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1760342352399\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/f3e185f0-74d5-413d-89d0-e39e0b41eee7.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"reset_style\" id=\"ie_text-1758692328406\"\u003e\n\u003cdiv\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe telescope comes standard with a photographic extension tube featuring a built-in 2-inch filter thread and offers M48×0.75 and M54×0.75 adapters for broad compatibility with DSLR cameras and dedicated astronomy cameras, meeting diverse imaging needs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cvideo autoplay=\"autoplay\" loop=\"loop\" muted=\"\" playsinline=\"\"\u003e\u003c\/video\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStaying true to the brand philosophy, the Askar 131F balances optical performance with user experience. The lens tube is crafted with high-quality CNC machining and painted finish, continuing the F series' iconic blue-and-white color scheme for strong visual identity.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1760342443548\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/f4f9410d-06d8-4063-96d5-6d0c66a8cffd.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1758854164268\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/48a2d43f-cf6d-4c50-a39d-6b7bc5d8f6bd.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eWhether for deep-sky imaging or visual observation, the Askar 131F is an ideal choice for advancing your astrophotography journey.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1772528364689\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/a91f8254-3b9e-4238-9ea1-896d6d9d6362.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1758783510909\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/common\/design\/detail\/e4f754e4-b950-43b3-80fd-3bf07b661633.jpg\" width=\"100%\" height=\"100%\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cbox-57 p_loopItem\" id=\"saf-detail-1\"\u003e\n\u003ch3 class=\"e_h3-72 s_summary\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"e_richText-73 s_title clearfix\"\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\" colspan=\"3\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAperture size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003e131mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocal length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003e983mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocal ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003ef\/7.5\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eObjective lens\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eQuadruplet air-spaced APO(including one ED glass)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImage circle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003e44mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum accessory connection (with the focuser fully retreated)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eImaging mode: \u003c\/strong\u003e  \u003cbr\u003e\u003cstrong\u003e73mm (from the base of M48×0.75 male thread）\u003c\/strong\u003e  \u003cbr\u003e\u003cstrong\u003e91mm（from the base of M54×0.75 male thread)\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eObserving mode:  \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e \u003cbr\u003e\u003cstrong\u003e131mm（from the end of 1.25\" eyepiece holder）\u003c\/strong\u003e  \u003cbr\u003e\u003cstrong\u003e141mm（from the end of 2\" eyepiece holder）\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum accessory connection (with the focuser fully extended)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eImaging mode: \u003c\/strong\u003e  \u003cbr\u003e\u003cstrong\u003e43mm (from the base of M48×0.75 male thread）\u003c\/strong\u003e  \u003cbr\u003e\u003cstrong\u003e61mm（from the base of M54×0.75 male thread)\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eObserving mode:  \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e \u003cbr\u003e\u003cstrong\u003e101mm（from the end of 1.25\" eyepiece holder）\u003c\/strong\u003e  \u003cbr\u003e\u003cstrong\u003e111mm（from the end of 2\" eyepiece holder）\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cstrong\u003e878mm(including 1.25\" adapter as dew shield contracted）\u003c\/strong\u003e  \u003cbr\u003e\u003cstrong\u003e963mm(including 1.25\" adapter as dew shield fully stretched）\u003c\/strong\u003e  \u003cbr\u003e\u003cstrong\u003e941mm(including the photographic adapter as dew shield contracted）\u003c\/strong\u003e  \u003cbr\u003e\u003cstrong\u003e1026mm(including the photographic adapter as dew shield fully stretched）\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocuser travel length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003e30mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003e7.9kg\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGross weight (Including tube ring\u0026amp;dovetail plate)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003e9.4kg\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRear-end thread type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cstrong\u003eM78×1-M54×0.75        \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e \u003cbr\u003e\u003cstrong\u003eM54×0.75-M54×0.75        \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e \u003cbr\u003e\u003cstrong\u003eM54×0.75-M48×0.75  (with M48×0.75 filter thread)\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard package items\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003e A 131F OTA，a pair of tube rings, a handle, a 300mm Losmandy dovetail plate,a set of photographic adapters\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\"\u003e\u003cstrong\u003eProduct Size Diagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/8a883eef-96d8-4147-a206-fe1420dd4855.jpg\"\u003e\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/a9e9b79d-844c-4873-9502-9cc87b6f3bf8.jpg\"\u003e\u003c\/figure\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\"\u003e\u003cstrong\u003eConnection Diagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/dbaae082-9703-4ccc-a319-b6dedcb3e3d8.jpg\"\u003e\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\"\u003e\u003cstrong\u003eThe Locking Screw Position Diagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/37f4ab88-3b9a-4c66-88f2-1674920272bb.jpg\"\u003e\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\"\u003e\u003cstrong\u003eElectronic Focuser Assembly Diagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/1acc5643-0b25-4789-a1b5-11c889ba55e2.jpg\"\u003e\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\"\u003e\u003cstrong\u003eOptical Path Diagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/e9cb86dc-bee7-488c-89ef-47160eaf5769.jpg\"\u003e\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"responsive-title\"\u003e\u003cstrong\u003eSpot Diagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/96389167-369e-4ff4-bbd2-43768e5ac17d.jpg\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cbox-57 p_loopItem\" id=\"saf-detail-2\"\u003e\n\u003ch3 class=\"e_h3-72 s_summary\"\u003eVideo\u003c\/h3\u003e\n\u003cdiv class=\"e_richText-73 s_title clearfix\"\u003e\n\u003cdiv class=\"video-box\" controlslist=\"nodownload\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7C15-9tI8NU?si=wJp2hAxbgth002hC\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cbox-57 p_loopItem\" id=\"saf-detail-3\"\u003e\n\u003ch3 class=\"e_h3-72 s_summary\"\u003eImages\u003c\/h3\u003e\n\u003cdiv class=\"e_richText-73 s_title clearfix\"\u003e\n\u003cfigure class=\"image image_resized\"\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/73368be7-37b5-4d42-ab1e-ff18d444094f.jpg\"\u003e\n\u003cfigcaption\u003e\u003cspan\u003e\u003cstrong\u003eNazmus Nasir  |  M27  |  ASKAR 131F Flat-Field\u003c\/strong\u003e\u003c\/span\u003e\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":55586213036408,"sku":"ASKR-131F","price":1998.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/80faa908-794d-41fa-bb0f-83197b177116.png_560xaf.webp?v=1782043555"}],"url":"https:\/\/www.darkclearskies.co.uk\/collections\/featured-askar-equipment.oembed","provider":"Dark Clear Skies ","version":"1.0","type":"link"}