{"product_id":"celestron-astromaster-90az-refractor-telescope","title":"Celestron AstroMaster 90AZ Refractor Telescope","description":"\u003cp\u003eThe \u003cstrong\u003eCelestron AstroMaster 90AZ Refractor Telescope\u003c\/strong\u003e is a 90mm f\/11 refractor supplied with a full-height steel tripod, two eyepieces and a red-dot finderscope. It is designed for straightforward visual astronomy and quick no-tool setup.\u003c\/p\u003e\n\n\u003cp\u003eThe 90mm aperture and 1000mm focal length offer a useful balance for detailed observation of the Moon, Jupiter, Saturn, Mars, double stars and brighter clusters. Its erect-image diagonal also supports correctly oriented daytime terrestrial views.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/products\/21063_AstroMaster_90AZ_1.jpg?v=1534171932\u0026amp;width=1600\" alt=\"Celestron AstroMaster 90AZ Refractor Telescope complete telescope and tripod\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003e90mm Refractor Optics\u003c\/h2\u003e\n\n\u003cp\u003eThe optical system has a focal length of 1000mm and a focal ratio of f\/11. Celestron specifies fully coated, a limiting stellar magnitude of 12.3 and light-gathering power 165× compared with the unaided eye.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/products\/21063_AstroMaster_90AZ_2.jpg?v=1534171932\u0026amp;width=1600\" alt=\"AstroMaster 90AZ optical tube and mount\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003eAstroMaster AZ Mount\u003c\/h2\u003e\n\n\u003cp\u003eThe panning-handle altazimuth mount moves up and down and left to right. It is completely manual: there is no GoTo object finding, motor drive or automatic tracking.\u003c\/p\u003e\n\n\u003cp\u003eThe adjustable tripod uses 31.75mm steel legs and includes an accessory tray. Celestron publishes a complete kit weight of 5.58kg (12.3lb).\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/products\/21063_AstroMaster_90AZ_3.jpg?v=1534171932\u0026amp;width=1600\" alt=\"AstroMaster 90AZ on its adjustable steel tripod\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003eEyepieces and Red-Dot Finderscope\u003c\/h2\u003e\n\n\u003cp\u003eThe supplied eyepieces are 20mm (50×) and 10mm (100×), both 1.25 inch. The starpointer red-dot finderscope helps centre a target before viewing it through the main telescope.\u003c\/p\u003e\n\n\u003cp\u003eThe supplied 1.25-inch 90° erect-image diagonal provides a correctly oriented view for astronomical and terrestrial use. A Barlow lens is \u003cstrong\u003enot stated as included\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/products\/21063_AstroMaster_90AZ_4.jpg?v=1534171932\u0026amp;width=1600\" alt=\"Mount and focuser detail on the AstroMaster 90AZ\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003eObserving with the AstroMaster\u003c\/h2\u003e\n\n\u003cp\u003eBegin with the lower-power 20mm eyepiece to locate and centre a target, then change to the 10mm eyepiece when conditions support a higher magnification. Actual visible detail depends on atmospheric steadiness, light pollution, target altitude and correct optical alignment.\u003c\/p\u003e\n\n\u003cp\u003eThe stated highest useful magnification is an optical limit rather than a promise that every night will support that power. Lower and moderate powers often provide the clearest view.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/products\/21063_AstroMaster_90AZ_5.jpg?v=1534171932\u0026amp;width=1600\" alt=\"Included accessories for the AstroMaster 90AZ\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003ePortable No-Tool Setup\u003c\/h2\u003e\n\n\u003cp\u003eThe optical tube, preassembled mount and tripod are designed for quick assembly. The optical tube weighs 2.00kg (4.41lb); the published complete kit weight is 5.58kg (12.3lb). Celestron does not state a separate boxed shipping weight.\u003c\/p\u003e\n\n\u003ch2\u003eWhat Is Included?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e90mm f\/11 refractor optical tube\u003c\/li\u003e\n  \u003cli\u003eManual AstroMaster altazimuth mount and adjustable steel tripod\u003c\/li\u003e\n  \u003cli\u003e20mm and 10mm eyepieces\u003c\/li\u003e\n  \u003cli\u003e1.25-inch 90° erect-image diagonal\u003c\/li\u003e\n  \u003cli\u003eStarPointer red-dot finderscope\u003c\/li\u003e\n  \u003cli\u003eAccessory tray\u003c\/li\u003e\n  \u003cli\u003eCelestron Starry Night Basic Edition software\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e A smartphone, Barlow lens, solar filter, carrying case and additional eyepieces or filters are not stated as included. \u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/products\/21063_AstroMaster_90AZ_6.jpg?v=1534171932\u0026amp;width=1600\" alt=\"Alternative view of the AstroMaster 90AZ telescope\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\n\u003ch3\u003eOptical Tube\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;margin:20px 0;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\u003ctbody\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eOptical design\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eAperture\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e90mm (3.54 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eFocal length\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1000mm (39.37 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eFocal ratio\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003ef\/11\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eOptical coatings\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eFully coated\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eIncluded eyepieces\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e20mm (50×) and 10mm (100×), both 1.25 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eFinderscope\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eStarPointer red-dot finderscope\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eDiagonal\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1.25-inch 90° erect-image diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eHighest useful magnification\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e213×\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eLowest useful magnification\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e13×\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eLimiting stellar magnitude\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e12.3\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eRayleigh resolution\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1.55 arcseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eDawes resolution\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1.29 arcseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eLight-gathering power\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e165× compared with the unaided eye\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eOptical-tube length\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e770mm (30.31 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eOptical-tube diameter\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e90mm (3.54 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eOptical-tube weight\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e2.00kg (4.41lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eDovetail\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eCG-5 dovetail bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch3\u003eMount and Tripod\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;margin:20px 0;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\u003ctbody\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eMount type\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eManual altazimuth mount with panning handle and clutch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eMovement \/ tracking\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eThe panning-handle altazimuth mount moves up and down and left to right. It is completely manual: there is no GoTo object finding, motor drive or automatic tracking.\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eHeight adjustment range\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e812.8–1295.4mm (32–51 inches), including mount and tripod\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eTripod legs\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e31.75mm (1.25-inch) steel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eAccessory tray\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eDovetail compatibility\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eCG-5 saddle plate\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eMount and tripod weight\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e3.60kg (7.94lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eComplete kit weight\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e5.58kg (12.3lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eSoftware\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eCelestron Starry Night Basic Edition and SkyPortal app\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch2\u003eSolar Safety\u003c\/h2\u003e\n\n\u003cdiv style=\"background:#fff4e5;border-left:4px solid #f28c00;padding:16px;margin:20px 0;\"\u003e\n  \u003cp style=\"margin-top:0;\"\u003e\u003cstrong\u003eWarning: Never look directly at the Sun through this telescope without a correctly fitted, certified full-aperture solar filter.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003ePermanent and irreversible eye damage can occur. Never use an eyepiece-type solar filter and never project an image of the Sun through the telescope. Unfiltered sunlight can damage the optics and accessories.\u003c\/p\u003e\n  \u003cp style=\"margin-bottom:0;\"\u003eNever leave the telescope unattended, especially when children are present.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eInstruction Manuals\u003c\/h2\u003e\n\n\u003cp\u003eOfficial setup and operating documents are available directly from Celestron.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\n  \u003ca href=\"https:\/\/celestron-site-support-files.s3.us-east-1.amazonaws.com\/support_files\/21061_21063_22065_AstroMaster%20AZ_Manual_5Lang_9-24.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline-block;background:#111;color:#fff;padding:14px 20px;margin:6px;text-decoration:none;border-radius:4px;font-weight:600;\"\u003eAstroMaster AZ Manual\u003c\/a\u003e\n  \u003ca href=\"https:\/\/celestron-site-support-files.s3.us-east-1.amazonaws.com\/support_files\/21063_AstroMaster%2090AZ_QSG_9-24_F.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline-block;background:#f28c00;color:#111;padding:14px 20px;margin:6px;text-decoration:none;border-radius:4px;font-weight:600;\"\u003eAstroMaster 90AZ Quick Setup Guide\u003c\/a\u003e\n\u003c\/div\u003e\n","brand":"Celestron","offers":[{"title":"Default Title","offer_id":55642780664184,"sku":"21063-CGL","price":269.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/01-official-celestron_b65c8394-2d45-465c-a192-c119c29a8233.jpg?v=1787907541","url":"https:\/\/www.darkclearskies.co.uk\/products\/celestron-astromaster-90az-refractor-telescope","provider":"Dark Clear Skies ","version":"1.0","type":"link"}