{"product_id":"askar-52mm-super-ed-guide-scope","title":"Askar 52mm Super ED Guide Scope","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Askar 52mm Super ED Guide Scope is a compact guiding telescope designed for more accurate autoguiding and better imaging support. It uses a 52mm doublet objective with one SD glass element for improved colour control, helping produce cleaner guide stars for astrophotography.\u003c\/p\u003e\u003ch2\u003eWho Is This Product Best For?\u003c\/h2\u003e\u003cp\u003eThis guide scope is best for astrophotographers who want a higher-quality 52mm guide scope for deep-sky imaging, portable telescope setups, and systems where improved guide-star quality is helpful.\u003c\/p\u003e\u003ch2\u003eWhy Choose This Product?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e52mm aperture with 249.6mm focal length.\u003c\/li\u003e\n\u003cli\u003eDoublet objective design with one SD glass element.\u003c\/li\u003e\n\u003cli\u003ef\/4.8 focal ratio for bright guide-star acquisition.\u003c\/li\u003e\n\u003cli\u003eIntegrated helical focuser with 25mm focuser travel.\u003c\/li\u003e\n\u003cli\u003eXY-axis adjustment to help align the guide scope with the main telescope.\u003c\/li\u003e\n\u003cli\u003eIncludes 1.25-inch and M42x0.75 rear adapter options.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRecommended Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDeep-sky autoguiding.\u003c\/li\u003e\n\u003cli\u003ePortable astrophotography rigs.\u003c\/li\u003e\n\u003cli\u003eVisual observation with suitable diagonal and eyepiece.\u003c\/li\u003e\n\u003cli\u003eLightweight imaging or finder-style applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility and Accessory Notes\u003c\/h2\u003e\u003cp\u003eThe 52mm Super ED Guide Scope includes a 1.25-inch adapter, M42 threaded adapter, and two 40mm extension tubes. The base is suitable for universal finder slots and includes 1\/4-inch and M4 threaded holes for additional mounting options.\u003c\/p\u003e\u003ch2\u003eImportant Limitations\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRequires a compatible guide camera or imaging camera.\u003c\/li\u003e\n\u003cli\u003eMounting compatibility should be checked against the customer's telescope or finder shoe.\u003c\/li\u003e\n\u003cli\u003eNot intended to replace a main imaging telescope for high-resolution imaging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat is it best used for?\u003c\/h3\u003e\u003cp\u003eIt is best used as a premium compact guide scope for deep-sky astrophotography.\u003c\/p\u003e\u003ch3\u003eCan it be used visually?\u003c\/h3\u003e\u003cp\u003eYes, the vendor notes it can be used for visual observation with suitable accessories.\u003c\/p\u003e\u003ch3\u003eDoes it include camera adapters?\u003c\/h3\u003e\u003cp\u003eYes, it includes 1.25-inch and M42x0.75 rear adapter options.\u003c\/p\u003e\u003ch2\u003eOur Recommendation\u003c\/h2\u003e\u003cp\u003eOntario Telescope recommends the Askar 52mm Super ED Guide Scope for imagers who want a stronger guide scope than a small 30–32mm unit, especially when using longer focal length imaging telescopes or when guide-star quality matters.\u003c\/p\u003e\u003ctable class=\"product-specifications\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd\u003e52mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd\u003e249.6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd\u003ef\/4.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eObjective Type\u003c\/th\u003e\n\u003ctd\u003eDoublet with one SD glass element\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e255mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOTA Weight\u003c\/th\u003e\n\u003ctd\u003e0.74kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRear Adapter\u003c\/th\u003e\n\u003ctd\u003eM42x0.75 and 1.25-inch adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocuser\u003c\/th\u003e\n\u003ctd\u003eIntegrated helical focuser, 25mm travel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Askar","offers":[{"title":"BLACK","offer_id":53155939352687,"sku":"ASK-52SED-GS-BLK","price":399.0,"currency_code":"CAD","in_stock":true},{"title":"SILVER","offer_id":53155939385455,"sku":"ASK-52SED-GS-SLV","price":399.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/52mmsuperedguide2.webp?v=1779736829","url":"https:\/\/ontariotelescope.com\/products\/askar-52mm-super-ed-guide-scope","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}