{"product_id":"celestron-80mm-guidescope-with-mounting-rings-used","title":"Celestron 80mm Guidescope with Mounting Rings - USED (52309-U)","description":"\u003ch1\u003eCelestron 80mm Guidescope with Mounting Rings - USED\u003c\/h1\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(239, 21, 21);\"\u003e\u003cstrong\u003eNo dovetail is included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComplete package includes 125mm rings and 80mm Guidescope\u003c\/li\u003e\n\u003cli\u003eCompatible with Celestron NexGuide Autoguider\u003c\/li\u003e\n\u003cli\u003eIncludes Extension Tube to help reach focus without having to use a diagonal\u003c\/li\u003e\n\u003cli\u003eM42 thread on extension tube allows you to slide NexGuide autoguider barrel into extension tube or thread guider directly onto extension tube\u003c\/li\u003e\n\u003cli\u003eMetal focuser with tension screw minimizes mechanical \"play\" when focusing making it easier to keep guide star on chip.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection id=\"shopify-section-template--18930283970735__main_product_tabs_K87Yci\" class=\"shopify-section section\"\u003e\n\u003cdiv class=\"tabcontent-container\"\u003e\n\u003cdiv class=\"tab-content-wrapper page-width\"\u003e\n\u003cdiv role=\"tabpanel\" id=\"tab-content-1\" class=\"tab-content\" tabindex=\"0\"\u003e\n\u003cp\u003eNow you can get a complete guidescope package from Celestron which includes both 80mm refractor and 125mm rings. No need to fumble in the dark with an uncomfortable diagonal, because the included extension tube helps you to easily reach focus.\u003c\/p\u003e\n\u003cp\u003eWhat's more, it's also compatible with the Celestron NexGuide Autoguider by sliding it in - or threading it directly on! The quality 80mm refractor guidescope with a 600mm focal length and focal ratio of f\/7.5 includes a metal focuser with tension screw to help to minimize mechanical \"play\" when focusing. \u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"table-open\" id=\"product-specs-list\" role=\"table\"\u003e\n\u003ctbody role=\"rowgroup\"\u003e\n\u003ctr role=\"row\"\u003e\n\u003cth role=\"rowheader\" scope=\"row\"\u003eAperture:\u003c\/th\u003e\n\u003ctd role=\"cell\"\u003e80mm (3.15\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr role=\"row\"\u003e\n\u003cth role=\"rowheader\" scope=\"row\"\u003eFocal Length:\u003c\/th\u003e\n\u003ctd role=\"cell\"\u003e600mm (24\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr role=\"row\"\u003e\n\u003cth role=\"rowheader\" scope=\"row\"\u003eFocal Ratio:\u003c\/th\u003e\n\u003ctd role=\"cell\"\u003ef\/7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr role=\"row\"\u003e\n\u003cth role=\"rowheader\" scope=\"row\"\u003eHighest Useful Magnification:\u003c\/th\u003e\n\u003ctd role=\"cell\"\u003e189x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr role=\"row\"\u003e\n\u003cth role=\"rowheader\" scope=\"row\"\u003eLowest Useful Magnification:\u003c\/th\u003e\n\u003ctd role=\"cell\"\u003e11x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr role=\"row\"\u003e\n\u003cth role=\"rowheader\" scope=\"row\"\u003eLimiting Stellar Magnitude:\u003c\/th\u003e\n\u003ctd role=\"cell\"\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr role=\"row\"\u003e\n\u003cth role=\"rowheader\" scope=\"row\"\u003eResolution (Rayleigh):\u003c\/th\u003e\n\u003ctd role=\"cell\"\u003e1.74 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr role=\"row\"\u003e\n\u003cth role=\"rowheader\" scope=\"row\"\u003eResolution (Dawes):\u003c\/th\u003e\n\u003ctd role=\"cell\"\u003e1.45 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr role=\"row\"\u003e\n\u003cth role=\"rowheader\" scope=\"row\"\u003eLight Gathering Power (Compared to human eye):\u003c\/th\u003e\n\u003ctd role=\"cell\"\u003e131x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr role=\"row\"\u003e\n\u003cth role=\"rowheader\" scope=\"row\"\u003eOptical Tube Weight:\u003c\/th\u003e\n\u003ctd role=\"cell\"\u003e3.94 lbs (1.79 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr role=\"row\"\u003e\n\u003cth role=\"rowheader\" scope=\"row\"\u003eWeight of Tube Rings:\u003c\/th\u003e\n\u003ctd role=\"cell\"\u003e2.69 lbs (1.22 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr role=\"row\"\u003e\n\u003cth role=\"rowheader\" scope=\"row\"\u003eWeight:\u003c\/th\u003e\n\u003ctd role=\"cell\"\u003e6.69 lbs (3.03 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e80mm Refractor\u003c\/li\u003e\n\u003cli\u003e2x Mounting Rings with Monting Clamps\u003c\/li\u003e\n\u003cli\u003e45* Prism Diagonal\u003c\/li\u003e\n\u003cli\u003e26mm Eyepiece\u003c\/li\u003e\n\u003cli\u003e9mm Eyepiece\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection id=\"shopify-section-template--18930283970735__featured_collection_dTrrex\" class=\"shopify-section section\"\u003e\u003c\/section\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":67575579082981,"sku":"CEL-52309-LAP","price":190.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/52309_80mmguidescopep.webp?v=1790372506","url":"https:\/\/astronomyplus.com\/products\/celestron-80mm-guidescope-with-mounting-rings-used","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}