{"title":"ToupTek Telescopes \u0026 Guide Scopes","description":"\u003cp\u003eExplore ToupTek telescopes and precision guide scopes designed for astrophotography, guiding and compact imaging setups.\u003c\/p\u003e","products":[{"product_id":"touptek-fs-series-guiding-telescopes-guide-scope","title":"ToupTek FS Series Guiding Telescopes \/ Guide Scope","description":"\u003ch1\u003eFS Series Guiding Telescopes \/ Guide Scope\u003c\/h1\u003e\n\u003ch2\u003eIntroduction\u003c\/h2\u003e\n\u003cp\u003eThe FS-200AC,AR and FS-250AC,AR Find Scopes are designed to enhance your guiding experience with superior optical performance and robust construction. Perfect for astrophotography and precise tracking, these find scopes are essential for any serious astronomer.\u003c\/p\u003e\n\u003ch2\u003eGeneral Characteristics\u003c\/h2\u003e\n\u003cp\u003eThe optical lens of the FS-200AC,AR\/FS-250AC,AR find scope features a two-piece double-glued achromatic structure, ensuring exceptional clarity and minimal distortion. The multi-layer coating process significantly enhances lens transmittance, making these find scopes ideal for low-light conditions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFS-200AC:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eFocal Length: 200mm\u003c\/li\u003e\n\u003cli\u003eDiameter: 46mm\u003c\/li\u003e\n\u003cli\u003eFocal Ratio: F4.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFS-250AC:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eFocal Length: 250mm\u003c\/li\u003e\n\u003cli\u003eDiameter: 46mm\u003c\/li\u003e\n\u003cli\u003eFocal Ratio: F5.6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDurable Construction\u003c\/h2\u003e\n\u003cp\u003eThe barrel of the FS-200AC,AR\/FS-250AC,AR find scope is made from high-quality aluminium alloy, CNC machined to ensure both stability and aesthetic appeal. This attention to detail guarantees that your find scope will withstand the rigors of outdoor use.\u003c\/p\u003e\n\u003ch2\u003eFocus Mechanism\u003c\/h2\u003e\n\u003cp\u003eChoose between two focus seat models:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFSB-125C (Crayford Focusers):\u003c\/strong\u003e Features precision bearing guidance and gearless focusing for stability during adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFSB-125R (Rack and Pinion Focusers):\u003c\/strong\u003e Offers higher focusing accuracy with gear rack and pinion technology.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBoth focus seats have a 1.25-inch inner diameter, making them compatible with mainstream guide cameras. An M42x0.75 thread is also included for connecting cooling or planetary cameras.\u003c\/p\u003e\n\u003ch2\u003eConvenient Design Features\u003c\/h2\u003e\n\u003cp\u003eThe focus handwheel features chamfer knurling for both aesthetic appeal and practicality. Additionally, the laser-marked focusing stroke scale allows users to easily find and record focus positions.\u003c\/p\u003e\n\u003ch2\u003eMounting Options\u003c\/h2\u003e\n\u003cp\u003eThe find scope rings and dovetail plate are crafted from aluminium alloy and CNC machined for durability. The rings feature M5 threaded holes for easy installation of additional astronomical equipment. The dovetail plate includes multiple M6 threaded holes and a 3\/8-16 British threaded hole for secure attachment to tripods and other equipment.\u003c\/p\u003e\n\u003ch2\u003eElevate Your Astrophotography\u003c\/h2\u003e\n\u003cp\u003eWith the FS-200AC,AR and FS-250AC,AR find scopes, you can enhance your guiding precision and take your astrophotography to the next level. Explore the cosmos with confidence and clarity!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder your FS Series Guiding Telescopes from Dark Clear Skies and enjoy free shipping!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-12 col-md-12 col-12\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-12 detailWord\"\u003e\n\u003cdiv class=\"scrollspy-example-2\" tabindex=\"0\"\u003e\n\u003cdiv id=\"detail_1\"\u003e\n\u003cdiv id=\"detail_1-1\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"detail_4\"\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cdiv id=\"detail_1\"\u003e\n\u003cdiv id=\"detail_1-1\"\u003e\n\u003cp\u003eThe FS-200AC,AR\/FS-250AC,AR find scope rings and dovetail plate are also made of aluminium alloy and CNC machined. The find scope rings have M5 threaded holes on the top and side for easy installation of other astronomical equipment; the dovetail plate has multiple M6 threaded holes and a 3\/8-16 British threaded hole at the bottom for connecting to tripods and other equipment.\u003c\/p\u003e\n\u003ch6\u003eThe physical products of FS-200AC,AR\/FS-250AC,AR find scopes are shown in\u003cspan\u003e Fig.1\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e Fig.2\u003c\/span\u003e\n\u003c\/h6\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cimg title=\"Guiding Telescopes \/ Guide Scope\" src=\"https:\/\/www.touptek-astro.com\/static\/pro_imgs\/FS_FindScope1.jpg\" id=\"detail_img_1\" alt=\"Guiding Telescopes \/ Guide Scope\"\u003e\u003cspan\u003eFigure 1 FS-200 find scope product\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cimg title=\"Guiding Telescopes \/ Guide Scope\" src=\"https:\/\/www.touptek-astro.com\/static\/pro_imgs\/FS_FindScope2.jpg\" id=\"detail_img_2\" alt=\"Guiding Telescopes \/ Guide Scope\"\u003e\u003cspan\u003eFigure 2 FS-250 find scope product\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"detail_1-2\"\u003e\n\u003ch4\u003e1.2 FS-200AC,AR\/FS-250AC,AR Find Scope, Focus Seat Model\u003c\/h4\u003e\n\u003cp\u003eThe current model parameters of FS-200AC,AR\/FS-250AC,AR find scopes are shown in the table below. There are two find scopes with different focal lengths to choose from to meet user needs.\u003c\/p\u003e\n\u003cdiv class=\"table-box\"\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"11%\"\u003e\n\u003cp\u003eOrder Code\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"12%\"\u003e\n\u003cp\u003eFocal Length\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"9%\"\u003e\n\u003cp\u003eDiameter\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"10%\"\u003e\n\u003cp\u003eFocal Ratio\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"18%\"\u003e\n\u003cp\u003eCamera Interface Size\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"37%\"\u003e\n\u003cp\u003eFocus Seat Type\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd width=\"11%\"\u003e\n\u003cp\u003eFS-200AC\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"12%\" rowspan=\"2\"\u003e\n\u003cp\u003e200mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"9%\" rowspan=\"2\"\u003e\n\u003cp\u003e45mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"10%\" rowspan=\"2\"\u003e\n\u003cp\u003eF4.5\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"18%\" rowspan=\"2\"\u003e\n\u003cp\u003e1.25 Inch\/M42x0.75\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"37%\"\u003e\n\u003cp\u003eCrayford Focusers (With FSB-125C)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"11%\"\u003e\n\u003cp\u003eFS-200AR\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"37%\"\u003e\n\u003cp\u003eRack and Pinion Focusers (With FSB-125R)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"11%\"\u003e\n\u003cp\u003eFS-250AC\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"12%\" rowspan=\"2\"\u003e\n\u003cp\u003e250mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"9%\" rowspan=\"2\"\u003e\n\u003cp\u003e45mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"10%\" rowspan=\"2\"\u003e\n\u003cp\u003eF5.6\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"18%\" rowspan=\"2\"\u003e\n\u003cp\u003e1.25 Inch\/M42x0.75\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"37%\"\u003e\n\u003cp\u003eCrayford Focusers (With FSB-125C)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"11%\"\u003e\n\u003cp\u003eFS-250AR\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"37%\"\u003e\n\u003cp\u003eRack and Pinion Focusers (With FSB-125R)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eCurrently, there are two models of focus seats, FSB-125C and FSB-125R, for users to choose from. Their parameters are shown in the following table. FSB-125C adopts gearless focus, while FSB-125R adopts gear focus.\u003c\/p\u003e\n\u003cdiv class=\"table-box\"\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\"\u003e\n\u003cp\u003eOrder Code\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"24%\"\u003e\n\u003cp\u003eLens Tube Mounting Thread\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"19%\"\u003e\n\u003cp\u003eCamera Interface Size\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"12%\"\u003e\n\u003cp\u003eFocus Stroke\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"23%\"\u003e\n\u003cp\u003eFocus Mode\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\"\u003e\n\u003cp\u003eFSB-125C\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"24%\"\u003e\n\u003cp\u003eM48x0.75\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"19%\"\u003e\n\u003cp\u003e1.25”\/M42x0.75\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"12%\"\u003e\n\u003cp\u003e35mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"23%\"\u003e\n\u003cp\u003eCrayford Focusers\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\"\u003e\n\u003cp\u003eFSB-125R\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"24%\"\u003e\n\u003cp\u003eM48x0.75\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"19%\"\u003e\n\u003cp\u003e1.25”\/M42x0.75\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"12%\"\u003e\n\u003cp\u003e35mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"23%\"\u003e\n\u003cp\u003eRack and Pinion Focusers\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"detail_1-3\"\u003e\n\u003ch4\u003e1.3 FS-200AC,AR\/FS-250AC,AR Find Scope Dimensions\u003c\/h4\u003e\n\u003cp\u003eThe product dimensions of FS-200AC,AR\/FS-250AC,AR series find scopes are shown in\u003cspan\u003e Fig.3\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eto\u003cspan\u003e Fig.6\u003c\/span\u003e.The product dimensions of FS-200AC,AR\/FS-250AC,AR find scope focus seats are shown in\u003cspan\u003e Fig.7\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e Fig.8\u003c\/span\u003e.\u003c\/p\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cimg title=\"Guiding Telescopes \/ Guide Scope\" src=\"https:\/\/www.touptek-astro.com\/static\/pro_imgs\/FS_FindScope3.jpg\" id=\"detail_img_3\" alt=\"Guiding Telescopes \/ Guide Scope\"\u003e\u003cspan\u003eFigure 3 FS-200AC find scope dimensions\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cimg title=\"Guiding Telescopes \/ Guide Scope\" src=\"https:\/\/www.touptek-astro.com\/static\/pro_imgs\/FS_FindScope4.jpg\" id=\"detail_img_4\" alt=\"Guiding Telescopes \/ Guide Scope\"\u003e\u003cspan\u003eFigure 4 FS-200AR find scope dimensions\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cimg title=\"Guiding Telescopes \/ Guide Scope\" src=\"https:\/\/www.touptek-astro.com\/static\/pro_imgs\/FS_FindScope5.jpg\" id=\"detail_img_5\" alt=\"Guiding Telescopes \/ Guide Scope\"\u003e\u003cspan\u003eFigure 5 FS-250AC find scope dimensions\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cimg title=\"Guiding Telescopes \/ Guide Scope\" src=\"https:\/\/www.touptek-astro.com\/static\/pro_imgs\/FS_FindScope6.jpg\" id=\"detail_img_6\" alt=\"Guiding Telescopes \/ Guide Scope\"\u003e\u003cspan\u003eFigure 6 FS-250AR find scope dimensions\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cimg title=\"Guiding Telescopes \/ Guide Scope\" src=\"https:\/\/www.touptek-astro.com\/static\/pro_imgs\/FS_FindScope7.jpg\" id=\"detail_img_7\" alt=\"Guiding Telescopes \/ Guide Scope\"\u003e\u003cspan\u003eFigure 7 Dimensions of FSB -125C gearless focus seat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cimg title=\"Guiding Telescopes \/ Guide Scope\" src=\"https:\/\/www.touptek-astro.com\/static\/pro_imgs\/FS_FindScope8.jpg\" id=\"detail_img_8\" alt=\"Guiding Telescopes \/ Guide Scope\"\u003e\u003cspan\u003eFigure 8 Dimensions of FSB -125R gear focus seat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"detail_2\"\u003e\n\u003ch3\u003e2、Installation of FS-200AC,AR\/FS-250AC,AR and Guide Camera\u003c\/h3\u003e\n\u003cp\u003eThe installation method of the FS-200AC,AR\/FS-250AC,AR find scope and guide camera is shown in Figure 9 and Figure 10.Insert the guide camera directly into the 1.25-inch interface at the end of the FS-200AC,AR\/FS-250AC,AR guide scope, and then tighten the three-point locking screw.\u003c\/p\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cimg title=\"Guiding Telescopes \/ Guide Scope\" src=\"https:\/\/www.touptek-astro.com\/static\/pro_imgs\/FS_FindScope9.jpg\" id=\"detail_img_9\" alt=\"Guiding Telescopes \/ Guide Scope\"\u003e\u003cspan\u003eFigure 9 FS-200AC,AR find scope and guide camera\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cimg title=\"Guiding Telescopes \/ Guide Scope\" src=\"https:\/\/www.touptek-astro.com\/static\/pro_imgs\/FS_FindScope10.jpg\" id=\"detail_img_10\" alt=\"Guiding Telescopes \/ Guide Scope\"\u003e\u003cspan\u003eFigure 10 FS-250AC,AR find scope and guide camera\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cimg title=\"Guiding Telescopes \/ Guide Scope\" src=\"https:\/\/www.touptek-astro.com\/static\/pro_imgs\/FS_FindScope11.jpg\" id=\"detail_img_11\" alt=\"Guiding Telescopes \/ Guide Scope\"\u003e\u003cspan\u003eFigure 11 FS-200AC,AR\/FS-250AC,AR find scope and telescope system\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"detail_3\"\u003e\n\u003ch3\u003e3、FS-200AC,AR\/FS-250AC,AR Find Scope Packing List\u003c\/h3\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cimg title=\"Guiding Telescopes \/ Guide Scope\" src=\"https:\/\/www.touptek-astro.com\/static\/pro_imgs\/FS_FindScope12.jpg\" id=\"detail_img_12\" alt=\"Guiding Telescopes \/ Guide Scope\"\u003e\u003cspan\u003eFigure 12 FS-200AC,AR find scope packaging diagram\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cimg title=\"Guiding Telescopes \/ Guide Scope\" src=\"https:\/\/www.touptek-astro.com\/static\/pro_imgs\/FS_FindScope13.jpg\" id=\"detail_img_13\" alt=\"Guiding Telescopes \/ Guide Scope\"\u003e\u003cspan\u003eFigure 13 FS-250AC,AR find scope packaging diagram\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-box\"\u003e\n\u003ctable width=\"645\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"645\" colspan=\"2\"\u003e\n\u003cp\u003eStandard Packing List\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"29\"\u003e\n\u003cp\u003eA\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"615\"\u003e\n\u003cp\u003eGuide scope packaging box specifications: L:32 cm W:11.5cm H:10 cm (FS-200AC,AR:1 pcs, 0.75 kg\/box; FS-250AC,AR : 1 pcs, 0.8 kg\/box;)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"29\"\u003e\n\u003cp\u003eB\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"615\"\u003e\n\u003cp\u003eFS-200AC,AR\/FS-250AC,AR find scope (Including find scope rings\/dovetail plate, focus seat optional)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"29\"\u003e\n\u003cp\u003eC\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"615\"\u003e\n\u003cp\u003eGuide scope dust cover\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"detail_4\"\u003e\n\u003ch3\u003e4、Pictures Taken with FS-200AC,AR\/FS-250AC,AR and Camera\u003c\/h3\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cimg title=\"Guiding Telescopes \/ Guide Scope\" src=\"https:\/\/www.touptek-astro.com\/static\/pro_imgs\/FS_FindScope14.jpg\" id=\"detail_img_14\" alt=\"Guiding Telescopes \/ Guide Scope\"\u003e\u003cspan\u003eFigure 14 FS-200AC,AR\/FS-250AC,AR with Touptek I3ISPM08300KPA camera to take photos of the lunar surface\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-12 img-box\"\u003e\n\u003cimg title=\"Guiding Telescopes \/ Guide Scope\" src=\"https:\/\/www.touptek-astro.com\/static\/pro_imgs\/FS_FindScope15.jpg\" id=\"detail_img_15\" alt=\"Guiding Telescopes \/ Guide Scope\"\u003e\u003cspan\u003eFigure 15 FS-200AC,AR\/FS-250AC,AR with Touptek I3ISPM08300KPA camera to take photos of buildings\u003c\/span\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":"ToupTek","offers":[{"title":"FS-200AC","offer_id":53600503136632,"sku":"FS-200AC","price":189.0,"currency_code":"GBP","in_stock":true},{"title":"FS-200AR","offer_id":53600503169400,"sku":"FS-200AR","price":194.0,"currency_code":"GBP","in_stock":true},{"title":"FS-250AC","offer_id":53600503202168,"sku":"FS-250AC","price":199.0,"currency_code":"GBP","in_stock":true},{"title":"FS-250AR","offer_id":53600503234936,"sku":"FS-250AR","price":209.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/FS200-AC.png?v=1728052686"},{"product_id":"touptek-hope-d60","title":"ToupTek HOPE D60 – Full-Frame Planar APO Refractor (f\/4.66)","description":"\u003ch2\u003eToupTek HOPE D60 — Full-Frame Planar Apochromatic Refractor Telescope for Professional Astronomy\u003c\/h2\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull-Frame Native Field Correction:\u003c\/strong\u003e Built-in flattener delivers a 44mm image circle with perfectly round stars to the edge — no additional flattener required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast f\/4.66 Optics:\u003c\/strong\u003e High light-gathering efficiency for capturing faint nebulae and galaxies in shorter exposure times.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5-Element Planar Apochromatic Design:\u003c\/strong\u003e SD and lanthanum glass elements minimise chromatic aberration for sharp, colour-accurate stars.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision 3\" Dual-Speed Focuser:\u003c\/strong\u003e Smooth focusing control, compatible with most electronic focus motors for automated imaging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e360° Camera Angle Adjuster (CAA):\u003c\/strong\u003e Frame and rotate your composition without disturbing focus or back-focus spacing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Only 255mm long with retracted dew shield — ideal for travel imaging setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eM48 Connection (with optional M54 adapter):\u003c\/strong\u003e Wide compatibility with popular astro cameras and imaging trains.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Main Visual 1\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_1.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Main Visual 2\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_2.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe ToupTek HOPE D60 is designed as an excellent telescope for astrophotography while also being ideal for beginners who want to explore the universe with ease. Unlike bulky reflecting telescopes, this compact APO refractor combines portability with a professional five-element optical system, minimizing chromatic aberration and delivering diffraction-limited clarity.\u003c\/p\u003e\n\u003cp\u003eWith its fast f\/4.66 focal ratio and built-in field flattener, the HOPE D60 is a true astrograph, providing wide, flat images without the need for additional accessories. A dual-speed focuser and versatile threaded connections make setup easy for newcomers, while giving advanced users precise control for capturing galaxies, nebulae, and star fields.\u003c\/p\u003e\n\u003cp\u003eThe HOPE D60 combines beginner-friendly simplicity with professional performance, making it a telescope that grows with you throughout your astronomy journey.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Detail Visual 3\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_3.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Detail Visual 4\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_4.jpg\"\u003e\u003c\/div\u003e\n\u003ch2\u003e6 Advantages of HOPE D60\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Advantages Overview\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_5.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003e1. Optical Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA 5-element planar apochromatic (PAPO) lens design:\u003c\/strong\u003e Combination of SD glass and lanthanum glass for near-zero chromatic aberration and accurate colour.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNative flat-field:\u003c\/strong\u003e Achieves full-frame field correction with no vignetting, no distortion, and round pinpoint sharp stars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ef\/4.66 fast focal ratio:\u003c\/strong\u003e High light-gathering efficiency for capturing wide-field deep-sky objects, revealing detail even with short exposures.\u003c\/li\u003e\n  \u003ch2\u003eHow the ToupTek HOPE 60D Compares\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eToupTek HOPE 60D\u003c\/th\u003e\n\u003cth\u003eAskar FRA300 Pro\u003c\/th\u003e\n\u003cth\u003eRedCat 61\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e60mm\u003c\/td\u003e\n\u003ctd\u003e60mm\u003c\/td\u003e\n\u003ctd\u003e61mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e280mm\u003c\/td\u003e\n\u003ctd\u003e300mm\u003c\/td\u003e\n\u003ctd\u003e335mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF-Ratio\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ef\/4.66\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ef\/5\u003c\/td\u003e\n\u003ctd\u003ef\/5.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003e5-element Planar APO\u003c\/td\u003e\n\u003ctd\u003e5-element Petzval\u003c\/td\u003e\n\u003ctd\u003e4-element Petzval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Flattener\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eBuilt-in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in\u003c\/td\u003e\n\u003ctd\u003eBuilt-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Circle\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFull Frame (44mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull Frame\u003c\/td\u003e\n\u003ctd\u003eAPS-C recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePortability\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eVery compact (255mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompact\u003c\/td\u003e\n\u003ctd\u003eCompact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e2. Precise Mechanical Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Compact and Robust OTA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Highly Compatible Interfaces\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Compatible with Electric Focusers of Multiple Brands\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Versatile Usage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for deep-sky, lunar and solar photography\u003c\/li\u003e\n\u003cli\u003eNo limits on astronomical exploration and daily photography.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eAstrophotography Work\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Astrophotography Sample 1\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_6.jpg\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eTelescope:\u003c\/strong\u003e ToupTek Astro HOPE D60\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGuide Camera:\u003c\/strong\u003e ToupTek Astro G3M678C\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCamera:\u003c\/strong\u003e \u003ca href=\"https:\/\/darkclearskies.co.uk\/products\/touptek-skyeye-62ac\" data-enhance-link=\"\"\u003eToupTek Astro SkyEye62AC\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEquatorial Mount:\u003c\/strong\u003e iOptron CEM70\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Astrophotography Sample 2\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_7.jpg\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eTelescope:\u003c\/strong\u003e ToupTek Astro HOPE D60\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGuide Camera:\u003c\/strong\u003e ToupTek Astro GPM462M\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCamera:\u003c\/strong\u003e \u003ca href=\"https:\/\/darkclearskies.co.uk\/products\/touptek-skyeye-62ac\" data-enhance-link=\"\"\u003eToupTek Astro SkyEye62AC\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEquatorial Mount:\u003c\/strong\u003e iOptron HAE43C\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSmart Controller:\u003c\/strong\u003e \u003ca href=\"https:\/\/darkclearskies.co.uk\/products\/touptek-stellavita-deposit\" data-enhance-link=\"\"\u003eToupTek Astro StellaVita\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eExcellent Optical Design\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eSpot Diagram — Pinpoint Stars, High Concentration\u003c\/h3\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Spot Diagram\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_8.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe HOPE D60 astronomical telescope achieves a central RMS spot size \u0026lt;1.1 µm and the full-frame edge RMS \u0026lt;2.3 µm, delivering exceptionally fine, concentrated star points. Multi-wavelength focus remains consistent with near-zero chromatic aberration, ensuring sharp, accurate imaging across the field of view.\u003c\/p\u003e\n\u003cp\u003eA spot diagram illustrates how light from a star is distributed on the telescope’s focal plane, visually confirming stellar precision.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eMTF Curve\u003c\/h3\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope MTF Curve\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_9.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eMTF curve shows consistently high resolution and minimal S\/T variation across the full frame.\u003c\/p\u003e\n\u003cp\u003eHOPE D60 is a high-resolution telescope for viewing planets and galaxies, delivering accurate celestial detail reproduction with exceptional uniformity — achieving MTF \u0026gt;0.95 at 10 LP\/mm and \u0026gt;0.85 at 30 LP\/mm, with minimal Sagittal\/Tangential variation across the frame.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eLongitudinal Aberration\u003c\/h3\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Longitudinal Aberration\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_10.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eExceptional Chromatic Aberration Control.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe axial aberration curve is flat, with multi-wavelength light converging on the same plane. This ensures minimal spherical and chromatic aberration, delivering sharp, colour-accurate imaging across the entire field of view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eRelative Illumination\u003c\/h3\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Relative Illumination Curve\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_11.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEven Brightness, No Edge Vignetting\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe HOPE D60 refractor telescope maintains \u0026gt;90% relative illumination at the 44mm full-frame edge, meaning brightness difference between centre and edge is \u0026lt;10%. The curve decays smoothly, ensuring uniform brightness with no vignetting.\u003c\/p\u003e\n\u003cp\u003eRelative illumination measures brightness uniformity across the image plane, showing how light falls from the centre (0mm) to the full-frame edge (22mm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eImage Circle and Native Flat-field Design\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Image Circle and Back Focus\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_12.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe HOPE D60 refractor telescope delivers full-frame coverage (44mm image circle) with sharp stars across the entire field. Its built-in field flattener simplifies imaging — no extra back-focus calculation or additional flattener required. Optimal focus is achieved at 55mm connection distance.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e Due to precise focal plane and working distance engineering, use of a star diagonal for visual observation is not recommended.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Aluminum Alloy Body\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_13.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eHigh-strength aluminium alloy\u003c\/p\u003e\n\u003cp\u003eCNC-machined precision\u003c\/p\u003e\n\u003cp\u003eResistant to vibration \u0026amp; temperature changes\u003c\/p\u003e\n\u003cp\u003eStable focus, reliable imaging\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Blackened Lens Tube and Retractable Hood\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_14.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eBlackened lens tube blocks stray light for cleaner imaging\u003c\/p\u003e\n\u003cp\u003eRetractable hood enhances contrast \u0026amp; uniformity\u003c\/p\u003e\n\u003cp\u003eMagnetic positioning, quick attach, compact \u0026amp; portable\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope 3-inch Focuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_15.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e3-inch focuser with 30mm travel, coarse \u0026amp; fine adjustment, zero backlash\u003c\/p\u003e\n\u003cp\u003eCompatible with manual or electronic focusing\u003c\/p\u003e\n\u003cp\u003eFocus window \u0026amp; clear scale for quick, efficient setup\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope 360-degree CAA Rotation\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_16.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eA CAA allows for 360° rotation without\u003c\/p\u003e\n\u003cp\u003edisassembling equipment\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Handle and Dovetail Integration\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_17.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eMulti-function handle for accessory expansion\u003c\/p\u003e\n\u003cp\u003eIntegrated dovetail bar with pre-drilled slot\u003c\/p\u003e\n\u003cp\u003eBuilt-in dovetail slot for stable, flexible setup\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Compact Portable Length 255mm\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_18.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eHOPE D60 is a compact portable telescope. With the dew shield retracted, it's only 255mm and easy to pack.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHighly Compatible\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope M48 and Optional M54 Adapters\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_19.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eHOPE D60 telescope\u003c\/strong\u003e comes standard with an M48 adapter, compatible with various cameras and astrophotography accessories. An optional M54 adapter supports larger format imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Compatibility Across Brands\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_20.jpg\"\u003e\u003c\/div\u003e\n\u003ch2\u003eDiverse Usage Scenarios\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Diverse Usage Scenarios\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_21.jpg\"\u003e\u003c\/div\u003e\n\u003cp\u003eNo limits on astronomical exploration and daily photography.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eHOPE D60 telescope\u003c\/strong\u003e is compatible with DSLR\/mirrorless cameras, instantly transforming into a professional telephoto lens.\u003c\/p\u003e\n\u003cp\u003eConnect to an astronomical camera or use it as a telescope for astrophotography to unlock powerful deep-sky imaging.\u003c\/p\u003e\n\u003ch2\u003eDimension\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Dimension Drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_22.jpg\"\u003e\u003c\/div\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the HOPE 60D require a separate field flattener?\u003c\/strong\u003e\u003cbr\u003e\nNo — it includes a native full-frame field flattener, delivering round stars across the entire image circle.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use this telescope visually?\u003c\/strong\u003e\u003cbr\u003e\nIt is primarily an astrograph. Visual use is possible with the correct diagonal and eyepieces, but optimal performance is achieved for imaging.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat back-focus spacing is required?\u003c\/strong\u003e\u003cbr\u003e\n55mm from the rear thread — standard for most astro cameras and DSLR\/mirrorless adapters.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill it work with electronic focusers?\u003c\/strong\u003e\u003cbr\u003e\nYes. The 3” focuser is compatible with many popular EAF systems.\u003c\/p\u003e\n\n\u003ch2\u003ePackaging\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Packaging Contents 1\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_23.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg loading=\"lazy\" alt=\"HOPE D60 Telescope Packaging Contents 2\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/HOPE_D60_detail_24.jpg\"\u003e\u003c\/div\u003e","brand":"Touptek","offers":[{"title":"Default Title","offer_id":55322297926008,"sku":"Hope60","price":749.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/touptek-hope-d60-telescope-with-m54-adapter.webp?v=1760694046"},{"product_id":"gs-250-papo-triplet-guide-scope","title":"GS-250 PAPO ED Triplet Guide Scope (AC \/ AR) – 250mm f\/5","description":"\u003cdiv class=\"product-description\"\u003e\n\u003cp\u003e\u003cstrong\u003eGS-250 PAPO Apochromatic Guide Scope (AC \/ AR)\u003c\/strong\u003e\u003cbr\u003e250mm focal length | 50mm aperture | f\/5\u003c\/p\u003e\n\u003cp\u003eThe GS-250 is a precision 250mm flat-field guide scope engineered for serious astrophotography. With its balanced focal length and ED triplet optical design, it delivers sharp, well-corrected guide stars for accurate and stable deep-sky imaging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e PAPO Precision • Stable Guiding • High Contrast Star Profiles\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/gs250ar_5a94ec5d-9a8f-42d3-b4d4-d066373b2a1b.webp?v=1770893555\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/gs250ac_bce48044-8f2e-4278-8d75-4624d7160df0.webp?v=1770893533\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe GS-250 features a proprietary three-element \u003cstrong\u003ePAPO (Planar Apochromatic with integrated field flattener)\u003c\/strong\u003e optical system incorporating ED glass. This configuration reduces chromatic aberration, corrects field curvature and preserves accurate star colour — resulting in tight star profiles across the field.\u003c\/p\u003e\n\u003cp\u003ePrecision-machined internal anti-reflection threading and broadband multi-layer AR coatings enhance light transmission and suppress stray light. The result is improved contrast and more reliable guide star detection for consistent mount corrections.\u003c\/p\u003e\n\u003cp\u003eDesigned around a \u003cstrong\u003eflat, corrected 1-inch image circle\u003c\/strong\u003e, the GS-250 supports guide cameras up to 1\" sensor size and can also be used for wide-field imaging or visual applications.\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg alt=\"GS-250 Optical Diagram\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/GS_detail_02.jpg\"\u003e\u003c\/div\u003e\n\u003ch2\u003eOptical Performance\u003c\/h2\u003e\n\u003ch3\u003ePAPO Apochromatic Triplet System\u003c\/h3\u003e\n\u003cp\u003eThe ED triplet with integrated field correction delivers sharp, pinpoint stars with minimal chromatic aberration. The 250mm focal length offers an ideal balance between wide field and guiding precision, making it especially well suited to imaging telescopes in the 500–900mm focal length range.\u003c\/p\u003e\n\u003ch3\u003eGS-250 Spot Diagram\u003c\/h3\u003e\n\u003cimg alt=\"GS-250 Spot Diagram showing tight star correction\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/GS_detail_03.jpg\"\u003e\n\u003ch3\u003eHigh Transmission Coatings \u0026amp; Internal Light Control\u003c\/h3\u003e\n\u003cp\u003eMulti-layer broadband AR coatings increase light throughput, while internal baffling reduces glare and improves contrast — ensuring strong guide star signals even under less-than-ideal sky conditions.\u003c\/p\u003e\n\u003cimg alt=\"GS-250 Anti-Reflection Coatings\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/GS_detail_05.jpg\"\u003e\n\u003ch2\u003eMechanical Design\u003c\/h2\u003e\n\u003ch3\u003eCNC-Machined Aluminium Construction\u003c\/h3\u003e\n\u003cp\u003eThe optical tube, rings and dovetail are precision CNC-machined for rigidity and long-term durability. The lightweight yet stable construction ensures consistent performance without overloading your mount.\u003c\/p\u003e\n\u003cimg alt=\"GS-250 CNC Machined Construction\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/GS_detail_06.jpg\"\u003e\n\u003ch3\u003eModular Optical Tube Design\u003c\/h3\u003e\n\u003cp\u003eThe GS-250 includes a universal \u003cstrong\u003eM48 extension tube\u003c\/strong\u003e allowing flexible back-focus configuration for both guiding and imaging setups.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Due to limited back focus, the GS-250 may not reach focus when used with a diagonal.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eAC vs AR – Focuser Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Version:\u003c\/strong\u003e Rackless (Crayford-style) focuser providing smooth manual focusing, ideal for lightweight guide cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAR Version:\u003c\/strong\u003e Rack-and-pinion focuser with increased load capacity and compatibility with ToupTek AAF electronic focusers or heavier cooled cameras.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eChoose AC\u003c\/strong\u003e for lightweight manual guide setups.\u003cbr\u003e\u003cstrong\u003eChoose AR\u003c\/strong\u003e for heavier cameras or future motorised focusing upgrades.\u003c\/p\u003e\n\u003cimg alt=\"GS-250 Focuser Options AC vs AR\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/GS_detail_08.jpg\"\u003e\n\u003ch2\u003eSpecifications \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e250mm focal length (f\/5)\u003c\/li\u003e\n\u003cli\u003e50mm aperture\u003c\/li\u003e\n\u003cli\u003eFlat-field corrected PAPO ED triplet optics\u003c\/li\u003e\n\u003cli\u003eSupports guide \u0026amp; planetary cameras up to 1\" sensor size\u003c\/li\u003e\n\u003cli\u003e1.25\" eyepiece interface + rear M42×0.75 (T2) thread\u003c\/li\u003e\n\u003cli\u003eMultiple M5 accessory mounting points\u003c\/li\u003e\n\u003cli\u003eDovetail base compatible with tripods \u0026amp; equatorial mounts\u003c\/li\u003e\n\u003cli\u003eOTA weight: 0.82kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cimg alt=\"GS-250 Package Contents\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/GS_detail_19.jpg\"\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich guide cameras work best with the GS-250?\u003c\/summary\u003e\n\u003cp\u003eGuide cameras up to 1\" sensor size are ideal. Popular pairings include ZWO ASI120MM Mini, ASI220MM Mini, Player One Sedna-M, and similar mono guide cameras.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan the GS-250 be used for visual observing?\u003c\/summary\u003e\n\u003cp\u003eYes. With a standard 1.25\" eyepiece attached, the GS-250 functions as a compact wide-field finder or small refractor.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Touptek","offers":[{"title":"GS-250AC","offer_id":55347967000952,"sku":"GS-250AC","price":229.0,"currency_code":"GBP","in_stock":true},{"title":"GS-250AR","offer_id":55347967033720,"sku":"GS-250AR","price":229.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/GS_detail_09.jpg?v=1770893646"},{"product_id":"gs-150-papo-triplet-guide-scope","title":"GS-150 PAPO Apochromatic Guide Scope (AC \/ AR)","description":"\u003cp\u003eThe GS-150 PAPO Apochromatic Guide Scope is a compact, high-precision 150mm f\/5 guiding solution engineered for modern astrophotography rigs. Designed around a self-flattening PAPO ED triplet optical system, it delivers sharp, well-corrected stars across the entire field — providing reliable guide star detection and smoother mount corrections.\u003c\/p\u003e\n\u003cdiv style=\"margin: 30px 0; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"GS-150 PAPO ED Triplet Guide Scope 150mm flat-field optical system\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/s-l1600_1_9b5b0348-990a-4733-8fe0-66bb5d0be828.webp?v=1770888540\"\u003e\u003c\/div\u003e\n\u003ch3\u003eTrue Apochromatic Triplet Performance\u003c\/h3\u003e\n\u003cp\u003eUnlike basic finder-style or simple achromatic guide scopes, the GS-150 uses a genuine apochromatic triplet with integrated field correction. Chromatic aberration is tightly controlled, star shapes remain consistent toward the edges, and contrast is improved. The result is more accurate centroid calculation in guiding software such as PHD2, leading to tighter tracking performance during long exposures.\u003c\/p\u003e\n\u003cdiv style=\"margin: 30px 0; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"GS-150 CNC-machined aluminium guide scope with rings and dovetail\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/s-l1600_8640a413-c844-4feb-a546-e4ae3c82aee3.webp?v=1770888541\"\u003e\u003c\/div\u003e\n\u003ch3\u003eOptical Coatings \u0026amp; Contrast Control\u003c\/h3\u003e\n\u003cp\u003eBroadband multi-layer anti-reflection coatings maximise light transmission while precision-machined internal anti-reflection threads suppress stray light. This ensures stronger guide star signals even under light-polluted skies.\u003c\/p\u003e\n\u003ch3\u003eAC vs AR – What’s the Difference?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAC Version = Rackless (Crayford-Style) Focuser\u003c\/strong\u003e\u003cbr\u003eThe AC model uses a friction-based rackless focuser (FSB-125C). It is smooth, lightweight and ideal for standard guide cameras. This is the best choice if you are using a lightweight mono or colour guide camera and focusing manually.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAR Version = Rack \u0026amp; Pinion (Geared) Focuser\u003c\/strong\u003e\u003cbr\u003eThe AR model uses a geared rack-and-pinion focuser (FSB-125R). It offers higher load capacity, greater mechanical stability under weight, and compatibility with motor focusers. This is the better option if you plan to use heavier cooled cameras or automated focusing systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich Should You Choose?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Lightweight guide camera only → \u003cstrong\u003eAC is sufficient\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e✔ Heavier camera or future motor focuser upgrade → \u003cstrong\u003eChoose AR\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e✔ Building a long-term imaging rig → \u003cstrong\u003eAR is more future-proof\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOptical Performance – Spot Diagram\u003c\/h3\u003e\n\u003cdiv style=\"margin: 25px 0; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"GS-150 optical spot diagram showing tight star point distribution\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/150_spot_diagram.webp?v=1770639481\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe spot diagram demonstrates the tight star point distribution delivered by the PAPO triplet design, confirming excellent correction across the usable field.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e150mm focal length (f\/5)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePAPO ED triplet with integrated flat-field correction\u003c\/li\u003e\n\u003cli\u003eSharp, well-controlled star profiles across the field\u003c\/li\u003e\n\u003cli\u003eBroadband multi-layer anti-reflection coatings\u003c\/li\u003e\n\u003cli\u003e1.25\" interface with rear M42×0.75 thread\u003c\/li\u003e\n\u003cli\u003eCompatible with guide cameras up to 1\" sensor size\u003c\/li\u003e\n\u003cli\u003eOTA weight: 0.59kg\u003c\/li\u003e\n\u003cli\u003eAvailable in AC (rackless) or AR (rack \u0026amp; pinion)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical Design \u0026amp; Dimensions\u003c\/h3\u003e\n\u003cdiv style=\"margin: 25px 0; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"GS-150 AC version dimension drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/GS-150AC_DIM.webp?v=1770639479\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 25px 0; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"GS-150 AR rack-and-pinion version dimension drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/GS-150AR_DIM.webp?v=1770639479\"\u003e\u003c\/div\u003e\n\u003ch3\u003eIdeal Use Case\u003c\/h3\u003e\n\u003cp\u003eWith its wide field of view and precise optical correction, the GS-150 is particularly well suited to imaging telescopes in the 300–600mm focal length range. It also offers flexibility for planetary capture or lightweight wide-field imaging applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompact, accurate and optically refined, the GS-150 is a serious upgrade from entry-level guide scopes — built for astrophotographers who expect reliable, repeatable guiding performance.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Touptek","offers":[{"title":"GS-150AC","offer_id":55450903052664,"sku":"GS-150AC","price":189.0,"currency_code":"GBP","in_stock":true},{"title":"GS-150AR","offer_id":55450903085432,"sku":"GS-150AR","price":189.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/s-l1600_482c9930-8322-4315-8e50-79e6035ed142.webp?v=1770889882"},{"product_id":"gs-200-papo-triplet-guide-scope","title":"GS-200 PAPO ED Triplet Guide Scope (AC \/ AR) – 200mm f\/5 Flat-Field","description":"\u003cp\u003eThe GS-200 PAPO Apochromatic Guide Scope is a precision 200mm f\/5 flat-field guiding solution designed for astrophotographers who require increased guiding accuracy and mechanical stability. Built around a self-flattening PAPO ED triplet optical system, it delivers sharp, well-corrected stars across the entire field — improving guide star detection and producing smoother mount corrections during long exposures.\u003c\/p\u003e\n\u003cdiv style=\"margin: 30px 0; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"GS-200 PAPO ED Triplet Guide Scope AR version\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/gs200ar.webp?v=1770889638\"\u003e\u003c\/div\u003e\n\u003ch3\u003eTrue Apochromatic Triplet Performance\u003c\/h3\u003e\n\u003cp\u003eUnlike basic achromatic guide scopes that can suffer from chromatic aberration and edge distortion, the GS-200 uses a genuine ED triplet with integrated field correction. Chromatic aberration is tightly controlled and star shapes remain consistent across the usable field. The result is more accurate centroid calculation in guiding software such as PHD2 or NINA, leading to improved tracking precision.\u003c\/p\u003e\n\u003cp\u003eThe 200mm focal length provides greater guiding resolution than shorter guide scopes while maintaining a generous field of view. This makes it especially well suited to imaging telescopes in the 400–800mm focal length range.\u003c\/p\u003e\n\u003ch3\u003eCoatings \u0026amp; Internal Light Control\u003c\/h3\u003e\n\u003cp\u003eBroadband multi-layer anti-reflection coatings maximise light transmission, while precision-machined internal anti-reflection threads suppress stray light. This improves contrast and strengthens guide star signals, even under light-polluted conditions.\u003c\/p\u003e\n\u003ch3\u003eAC vs AR – Focuser Differences Explained Clearly\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAC Version – Rackless (Crayford-Style) Focuser\u003c\/strong\u003e\u003cbr\u003eThe AC model uses a friction-based rackless focuser (FSB-125C). It is smooth, lightweight and ideal for standard guide cameras. This is the correct choice if you are using a compact mono or colour guide camera and focusing manually.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAR Version – Rack \u0026amp; Pinion (Geared) Focuser\u003c\/strong\u003e\u003cbr\u003eThe AR model uses a geared rack-and-pinion focuser (FSB-125R). It offers increased load capacity, improved mechanical stability and compatibility with motor focusers. This is the better choice if you plan to use heavier cooled cameras, motorised focusing systems, or want a more future-proof setup.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight guide camera only → \u003cstrong\u003eAC is sufficient\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeavier camera or motor focuser → \u003cstrong\u003eChoose AR\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLong-term imaging build → \u003cstrong\u003eAR recommended\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOptical Performance – Spot Diagram\u003c\/h3\u003e\n\u003cdiv style=\"margin: 25px 0; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"GS-200 optical spot diagram showing tight star correction\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/200_spot_diagram.webp?v=1770639480\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe spot diagram demonstrates tight star point distribution across the field, confirming strong optical correction and reliable guiding performance.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e200mm focal length (f\/5)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePAPO ED triplet with integrated flat-field correction\u003c\/li\u003e\n\u003cli\u003eBroadband multi-layer anti-reflection coatings\u003c\/li\u003e\n\u003cli\u003e1.25\" interface with rear M42×0.75 thread\u003c\/li\u003e\n\u003cli\u003eCompatible with guide cameras up to 1\" sensor size\u003c\/li\u003e\n\u003cli\u003eOTA weight: 0.68kg\u003c\/li\u003e\n\u003cli\u003eAvailable in AC (rackless) or AR (rack \u0026amp; pinion)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin: 25px 0; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"GS-200 AR dimension drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/GS-200AR_DIM.webp?v=1770639479\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 25px 0; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"GS-200 AC dimension drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/GS-200AC_DIM.webp?v=1770639479\"\u003e\u003c\/div\u003e\n\u003ch3\u003eIdeal Use Case\u003c\/h3\u003e\n\u003cp\u003eThe GS-200 offers an ideal balance between field width and guiding precision. It is particularly well suited to imaging telescopes between 400mm and 800mm focal length, delivering improved correction and mechanical stability compared to entry-level finder-style guide scopes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptically refined, mechanically robust and engineered for serious astrophotography, the GS-200 is a confident upgrade for imagers who demand accurate, repeatable guiding performance.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Touptek","offers":[{"title":"GS-200AC","offer_id":55450940047736,"sku":"GS-200AC","price":209.0,"currency_code":"GBP","in_stock":true},{"title":"GS-200AR","offer_id":55450940080504,"sku":"GS-200AR","price":209.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/gs200ac.webp?v=1770889638"},{"product_id":"gs-350-papo-guide-scope","title":"GS Series PAPO Apochromatic Guide Scopes (350mm) – Touptek","description":"\u003cdiv class=\"product-description\"\u003e\n\u003cp\u003e\u003cstrong\u003eGS-350 PAPO Apochromatic Guide Scope (AC \/ AR)\u003c\/strong\u003e\u003cbr\u003e350mm focal length | 58mm aperture | f\/6\u003c\/p\u003e\n\u003cp\u003eThe GS-350 is the longest focal length model in the GS range, engineered for high-precision guiding on medium to long focal length imaging systems. With a 350mm focal length and 58mm aperture, it delivers increased guiding resolution while maintaining excellent star correction across the field.\u003c\/p\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe GS-350 features a proprietary three-element \u003cstrong\u003ePAPO (Planar Apochromatic with integrated field flattener)\u003c\/strong\u003e optical design incorporating ED glass. This configuration reduces chromatic aberration, corrects field curvature and preserves accurate star colour — producing tight, well-defined guide stars for reliable mount corrections.\u003c\/p\u003e\n\u003cp\u003eBroadband multi-layer anti-reflection coatings maximise light transmission, while precision-machined internal anti-reflection threading suppresses stray light and enhances contrast. The result is stronger guide star signals and more consistent guiding performance during long exposures.\u003c\/p\u003e\n\u003cp\u003eThe corrected 1-inch image circle supports guide cameras up to 1\" sensor size and can accommodate larger sensors for experimental wide-field imaging applications.\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/GS_detail_02.jpg\" alt=\"GS-350 Optical Diagram\"\u003e\u003c\/div\u003e\n\u003ch2\u003eOptical Performance\u003c\/h2\u003e\n\u003ch3\u003ePAPO Apochromatic Optical System\u003c\/h3\u003e\n\u003cp\u003eThe ED triplet and integrated field correction deliver sharp, well-controlled star profiles across the usable field. The 350mm focal length provides improved guiding precision compared to shorter guide scopes, making it ideal for imaging systems in the 800–1200mm focal length range.\u003c\/p\u003e\n\u003ch3\u003eGS-350 Spot Diagram\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/GS_detail_04.jpg\" alt=\"GS-350 Spot Diagram showing star correction across field\"\u003e\n\u003ch3\u003eHigh Transmission Coatings \u0026amp; Internal Baffling\u003c\/h3\u003e\n\u003cp\u003eMulti-layer AR coatings and internal light control reduce glare and improve contrast, ensuring consistent guide star detection even in light-polluted environments.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/GS_detail_05.jpg\" alt=\"GS-350 Anti-Reflection Coatings\"\u003e\n\u003ch2\u003eMechanical Design\u003c\/h2\u003e\n\u003ch3\u003eCNC-Machined Aluminium Construction\u003c\/h3\u003e\n\u003cp\u003eThe GS-350 optical tube, rings and dovetail are precision CNC-machined for rigidity and durability. Despite its longer focal length, the OTA weight remains well balanced for stable mounting on equatorial systems.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ch3\u003eModular Optical Tube Design\u003c\/h3\u003e\n\u003cp\u003eAn integrated \u003cstrong\u003eM48 extension tube\u003c\/strong\u003e allows flexible back-focus configuration for visual use, guiding or imaging setups.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/GS_detail_07.jpg\" alt=\"GS-350 Modular Extension Tube\"\u003e\n\u003ch2\u003eAC vs AR – Focuser Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Version:\u003c\/strong\u003e Rackless (Crayford-style) focuser designed for smooth manual focusing with lightweight guide cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAR Version:\u003c\/strong\u003e Rack-and-pinion focuser with higher load capacity, compatible with ToupTek AAF electronic focusers and heavier cooled cameras.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eChoose AC\u003c\/strong\u003e for lightweight guide camera setups.\u003cbr\u003e\u003cstrong\u003eChoose AR\u003c\/strong\u003e if using heavier cameras or planning motorised focusing.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/GS_detail_08.jpg\" alt=\"GS-350 Focuser Options AC vs AR\"\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e350mm focal length (f\/6)\u003c\/li\u003e\n\u003cli\u003e58mm aperture\u003c\/li\u003e\n\u003cli\u003eSupports guide and planetary cameras up to 1\" sensor size\u003c\/li\u003e\n\u003cli\u003e1.25\" eyepiece interface + external M42×0.75 thread\u003c\/li\u003e\n\u003cli\u003eMultiple M5 accessory mounting points\u003c\/li\u003e\n\u003cli\u003eDovetail base compatible with tripods \u0026amp; equatorial mounts\u003c\/li\u003e\n\u003cli\u003eOTA weight: 1.21kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/1532\/7288\/files\/GS_detail_20.jpg\" alt=\"GS-350 Packaging Overview\"\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat imaging systems is the GS-350 best suited for?\u003c\/summary\u003e\n\u003cp\u003eThe GS-350 is ideal for guiding imaging telescopes between approximately 800mm and 1200mm focal length, where increased guiding resolution is beneficial.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan this be used for visual observing?\u003c\/summary\u003e\n\u003cp\u003eYes. The 1.25\" interface allows use with standard eyepieces for wide-field viewing or star-hopping applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Touptek","offers":[{"title":"GS-350AC","offer_id":55450950566264,"sku":"GS-350AC","price":269.0,"currency_code":"GBP","in_stock":true},{"title":"GS-350AR","offer_id":55450950599032,"sku":"GS-350AR","price":269.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/GS_detail_13.jpg?v=1770892955"},{"product_id":"gs-300-papo-triplet-guide-scope","title":"GS-300 PAPO ED Triplet Guide Scope (AC \/ AR) – 300mm f\/6","description":"\u003cdiv class=\"product-description\"\u003e\n\u003cp\u003e\u003cstrong\u003eGS-300 PAPO Apochromatic Guide Scope (AC \/ AR)\u003c\/strong\u003e\u003cbr\u003e300mm focal length | 50mm aperture | f\/6\u003c\/p\u003e\n\u003cp\u003eThe GS-300 is engineered for astrophotographers who require increased guiding precision for medium to long focal length imaging systems. With its 300mm focal length and PAPO ED triplet optical design, it delivers sharp, well-corrected guide stars across the field for accurate and stable mount corrections.\u003c\/p\u003e\n\u003cdiv style=\"margin: 25px 0; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"GS-300 AR version with rack and pinion focuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/gs300ar.webp?v=1770889638\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 25px 0; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"GS-300 AC version with rackless Crayford-style focuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/gs300ac.webp?v=1770889637\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 25px 0; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"GS-300 optical spot diagram showing tight star correction\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/300_spot_diagram.webp?v=1770639480\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e Increased Guiding Resolution • Flat-Field Correction • Mechanical Stability\u003c\/p\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe GS-300 features a proprietary three-element \u003cstrong\u003ePAPO (Planar Apochromatic with integrated field flattener)\u003c\/strong\u003e optical system incorporating ED glass. This configuration reduces chromatic aberration and corrects field curvature, producing tight and consistent star profiles across the usable image circle.\u003c\/p\u003e\n\u003cp\u003eBroadband multi-layer anti-reflection coatings maximise light transmission, while precision-machined internal anti-reflection threading suppresses stray light and improve contrast — resulting in stronger guide star signals and more consistent tracking performance.\u003c\/p\u003e\n\u003cp\u003eThe corrected 1-inch image circle supports guide cameras up to 1\" sensor size and also allows limited wide-field imaging or visual use.\u003c\/p\u003e\n\u003ch2\u003eOptical Performance\u003c\/h2\u003e\n\u003cp\u003eThe 300mm focal length provides greater guiding precision than shorter guide scopes while maintaining a usable field of view. It is especially well suited to imaging telescopes in the 700–1000mm focal length range, where improved guiding resolution enhances long-exposure stability.\u003c\/p\u003e\n\u003ch2\u003eMechanical Design\u003c\/h2\u003e\n\u003cp\u003eThe optical tube, rings and dovetail are CNC-machined from aluminium for rigidity and durability. Despite its longer focal length, the GS-300 remains well balanced with an OTA weight of approximately \u003cstrong\u003e0.94kg\u003c\/strong\u003e, making it stable without overloading mid-sized equatorial mounts.\u003c\/p\u003e\n\u003ch2\u003eAC vs AR – Focuser Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Version:\u003c\/strong\u003e Rackless (Crayford-style) focuser designed for smooth manual focusing with lightweight guide cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAR Version:\u003c\/strong\u003e Rack-and-pinion focuser offering increased load capacity and compatibility with motor focusers such as the ToupTek AAF.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eChoose AC\u003c\/strong\u003e for lightweight guide setups.\u003cbr\u003e\u003cstrong\u003eChoose AR\u003c\/strong\u003e for heavier cameras or motorised focusing upgrades.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e300mm focal length (f\/6)\u003c\/li\u003e\n\u003cli\u003e50mm aperture\u003c\/li\u003e\n\u003cli\u003ePAPO ED triplet with integrated flat-field correction\u003c\/li\u003e\n\u003cli\u003eRear thread: M42×0.75 (T2 standard)\u003c\/li\u003e\n\u003cli\u003e1.25\" eyepiece interface\u003c\/li\u003e\n\u003cli\u003eSupports guide cameras up to 1\" sensor size\u003c\/li\u003e\n\u003cli\u003eMultiple M5 accessory mounting points\u003c\/li\u003e\n\u003cli\u003eDovetail base compatible with equatorial mounts\u003c\/li\u003e\n\u003cli\u003eOTA weight: 0.94kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIdeal Use Case\u003c\/h2\u003e\n\u003cp\u003eThe GS-300 offers a refined balance between resolution and portability, making it an excellent choice for guiding imaging systems between 700mm and 1000mm focal length where increased precision is beneficial.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptically refined and mechanically robust, the GS-300 is built for astrophotographers who expect reliable, repeatable guiding performance.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ToupTek","offers":[{"title":"GS-300 AC","offer_id":55450989592952,"sku":"GS-300 AC","price":249.0,"currency_code":"GBP","in_stock":true},{"title":"GS-300 AR","offer_id":55450989625720,"sku":"GS-300 AR","price":249.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/gs300ac_f04d3a18-dd5b-4c5e-9962-70d175f9097a.webp?v=1770894202"}],"url":"https:\/\/www.darkclearskies.co.uk\/collections\/touptek-telescopes-guide-scopes.oembed","provider":"Dark Clear Skies ","version":"1.0","type":"link"}