{"product_id":"explore-scientific-firstlight-90-mm-f-5-5-achromatic-refractor-telescope-on-yoke-style-alt-az-mount-fl-ar90500az","title":"Explore Scientific FirstLight 90 mm f\/5.5 Achromatic Refractor Telescope on Yoke-Style Alt-Az Mount (FL-AR90500AZ)","description":"\u003cdiv class=\"product-info__description\"\u003e\n\u003cdiv class=\"prose\"\u003e\n\u003cp data-start=\"795\" data-end=\"1486\"\u003eThe Explore Scientific FirstLight 90 mm f\/5.5 Achromatic Refractor Telescope (FL-AR90500AZ) is a user-friendly optical system that combines a bright 90 mm aperture with a well-balanced yoke-style altitude-azimuth mount. Designed for beginners and casual observers, this refractor delivers sharp views of the Moon, planets, star clusters, and brighter deep-sky objects. The fast f\/5.5 focal ratio yields a generous field of view — ideal for wide-field observation and scenic star fields. The included accessories such as a star diagonal, Plössl eyepiece, and a red-dot finder make setup and target acquisition quick and intuitive, so you can spend more time observing and less time preparing.\u003c\/p\u003e\n\u003chr data-start=\"1488\" data-end=\"1491\"\u003e\n\u003ch2 data-start=\"1493\" data-end=\"1510\"\u003e\u003cstrong data-start=\"1496\" data-end=\"1508\"\u003eFeatures\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1511\" data-end=\"2137\"\u003e\n\u003cli data-start=\"1511\" data-end=\"1607\"\u003e\n\u003cp data-start=\"1513\" data-end=\"1607\"\u003e\u003cstrong data-start=\"1513\" data-end=\"1531\"\u003e90 mm aperture\u003c\/strong\u003e — gathers plenty of light for crisp, detailed views of celestial objects.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1608\" data-end=\"1719\"\u003e\n\u003cp data-start=\"1610\" data-end=\"1719\"\u003e\u003cstrong data-start=\"1610\" data-end=\"1636\"\u003eFast f\/5.5 focal ratio\u003c\/strong\u003e — wide field of view, great for star clusters, nebulae, and Milky Way observing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1720\" data-end=\"1814\"\u003e\n\u003cp data-start=\"1722\" data-end=\"1814\"\u003e\u003cstrong data-start=\"1722\" data-end=\"1751\"\u003eAchromatic doublet optics\u003c\/strong\u003e — delivers balanced color and contrast for visual astronomy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1815\" data-end=\"1931\"\u003e\n\u003cp data-start=\"1817\" data-end=\"1931\"\u003e\u003cstrong data-start=\"1817\" data-end=\"1849\"\u003eYoke-style Alt-Azimuth mount\u003c\/strong\u003e — smooth, intuitive tracking in altitude and azimuth axes, ideal for beginners.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1932\" data-end=\"2034\"\u003e\n\u003cp data-start=\"1934\" data-end=\"2034\"\u003e\u003cstrong data-start=\"1934\" data-end=\"1974\"\u003eStable mount with adjustable support\u003c\/strong\u003e — gives reliable alignment for visual observing sessions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2035\" data-end=\"2137\"\u003e\n\u003cp data-start=\"2037\" data-end=\"2137\"\u003e\u003cstrong data-start=\"2037\" data-end=\"2061\"\u003eIncluded accessories\u003c\/strong\u003e — comprehensive starter kit (eyepiece, diagonal, finder) for immediate use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2139\" data-end=\"2142\"\u003e\n\u003ch2 data-start=\"2144\" data-end=\"2167\"\u003e\u003cstrong data-start=\"2147\" data-end=\"2165\"\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2169\" data-end=\"2707\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2169\" data-end=\"2195\"\u003e\n\u003ctr data-start=\"2169\" data-end=\"2195\"\u003e\n\u003cth data-start=\"2169\" data-end=\"2185\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"2185\" data-end=\"2195\" data-col-size=\"md\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2223\" data-end=\"2707\"\u003e\n\u003ctr data-start=\"2223\" data-end=\"2258\"\u003e\n\u003ctd data-start=\"2223\" data-end=\"2242\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2225\" data-end=\"2241\"\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2242\" data-end=\"2258\" data-col-size=\"md\"\u003eFL-AR90500AZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2259\" data-end=\"2304\"\u003e\n\u003ctd data-start=\"2259\" data-end=\"2280\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2261\" data-end=\"2279\"\u003eOptical Design\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2280\" data-end=\"2304\" data-col-size=\"md\"\u003eAchromatic refractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2305\" data-end=\"2329\"\u003e\n\u003ctd data-start=\"2305\" data-end=\"2320\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2307\" data-end=\"2319\"\u003eAperture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2320\" data-end=\"2329\" data-col-size=\"md\"\u003e90 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2330\" data-end=\"2357\"\u003e\n\u003ctd data-start=\"2330\" data-end=\"2348\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2332\" data-end=\"2347\"\u003eFocal Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2348\" data-end=\"2357\" data-col-size=\"md\"\u003ef\/5.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2358\" data-end=\"2388\"\u003e\n\u003ctd data-start=\"2358\" data-end=\"2377\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2360\" data-end=\"2376\"\u003eFocal Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2377\" data-end=\"2388\" data-col-size=\"md\"\u003e~495 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2389\" data-end=\"2432\"\u003e\n\u003ctd data-start=\"2389\" data-end=\"2406\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2391\" data-end=\"2405\"\u003eMount Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2406\" data-end=\"2432\" data-col-size=\"md\"\u003eYoke-style Alt-Azimuth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2433\" data-end=\"2485\"\u003e\n\u003ctd data-start=\"2433\" data-end=\"2457\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2435\" data-end=\"2456\"\u003eEyepiece Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2457\" data-end=\"2485\" data-col-size=\"md\"\u003eStandard Plössl eyepiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2486\" data-end=\"2522\"\u003e\n\u003ctd data-start=\"2486\" data-end=\"2501\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2488\" data-end=\"2500\"\u003eDiagonal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2501\" data-end=\"2522\" data-col-size=\"md\"\u003e90° star diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2523\" data-end=\"2554\"\u003e\n\u003ctd data-start=\"2523\" data-end=\"2536\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2525\" data-end=\"2535\"\u003eFinder\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2536\" data-end=\"2554\" data-col-size=\"md\"\u003eRed-dot finder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2555\" data-end=\"2647\"\u003e\n\u003ctd data-start=\"2555\" data-end=\"2570\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2557\" data-end=\"2569\"\u003eUse Case\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2570\" data-end=\"2647\" data-col-size=\"md\"\u003eBeginner to casual observing — lunar, planetary, clusters, bright nebulae\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2648\" data-end=\"2707\"\u003e\n\u003ctd data-start=\"2648\" data-end=\"2666\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2650\" data-end=\"2665\"\u003eAccessories\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2666\" data-end=\"2707\" data-col-size=\"md\"\u003eEyepiece, finder, diagonal (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2709\" data-end=\"2712\"\u003e\n\u003ch2 data-start=\"2714\" data-end=\"2738\"\u003e\u003cstrong data-start=\"2717\" data-end=\"2736\"\u003eWhat’s Included\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2739\" data-end=\"2919\"\u003e\n\u003cli data-start=\"2739\" data-end=\"2782\"\u003e\n\u003cp data-start=\"2741\" data-end=\"2782\"\u003e90 mm achromatic refractor optical tube\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2783\" data-end=\"2820\"\u003e\n\u003cp data-start=\"2785\" data-end=\"2820\"\u003eYoke-style altitude-azimuth mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2821\" data-end=\"2842\"\u003e\n\u003cp data-start=\"2823\" data-end=\"2842\"\u003e90° star diagonal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2843\" data-end=\"2862\"\u003e\n\u003cp data-start=\"2845\" data-end=\"2862\"\u003ePlössl eyepiece\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2863\" data-end=\"2881\"\u003e\n\u003cp data-start=\"2865\" data-end=\"2881\"\u003eRed-dot finder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2882\" data-end=\"2919\"\u003e\n\u003cp data-start=\"2884\" data-end=\"2919\"\u003eMounting hardware and accessories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44476567715874,"sku":"FL-AR90500AZ","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/6968\/5282\/files\/FL-AR90500AZ_Close_3e995361-480a-47ec-afe1-a13e9b3ad603.jpg?v=1761948209","url":"https:\/\/telescopewolves.com\/products\/explore-scientific-firstlight-90-mm-f-5-5-achromatic-refractor-telescope-on-yoke-style-alt-az-mount-fl-ar90500az","provider":"Telescope Wolves","version":"1.0","type":"link"}