{"product_id":"svbony-sv503-70mm-f7-ed-doublet-refractor-telecope-ota-f9359a","title":"SVBONY SV503 70mm F7 ED Doublet Refractor Telecope OTA | F9359A","description":"\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe appearance of the telescope is baked with high-end fine-grained paint, with exquisite appearance and delicate feel;\u003c\/li\u003e\n\u003cli\u003eThe objective lens features an S-FPL51 extra-low dispersion glass ED element, which eliminates chromatic aberration. This results in the best color correction for an ED doublet lens\u003c\/li\u003e\n\u003cli\u003eThe lens adopts optical processing and low polishing technology, which is carefully carved;\u003c\/li\u003e\n\u003cli\u003eThe deceleration ratio of the two-speed 2'' toothed focusing seat is 1:10, which makes it easy to achieve accurate focus;\u003c\/li\u003e\n\u003cli\u003eIf the 70ED is matched with a large chip, A possible way is to: The SV193 increases the field of view of the shot, which is sufficient for most DSOs. The stacked image edges may need to be cropped in the post-process to improve image quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6385311995588386458421766.webp?v=1769624735\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eDual-Speed Rack \u0026amp; Pinion Focuser\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6385311997197136636410078.webp?v=1769624736\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eBack Focus 90mm\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6385311999024481779365583.webp?v=1769624735\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e1.97 Arc-second Resolution\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6380962957781765131114892.jpg?v=1769624735\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eCompatible Adapter 1.25\/2inch\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6385312004052067706173612.webp?v=1769624735\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eMetal Hoop With Dovetail\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6380962973498561047948722.jpg?v=1769624735\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6386166726113826533466025.webp?v=1769624735\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSVBONY \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003eSV503 70F6 ED Astronomy Telescope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eED Glass\u003c\/td\u003e\n\u003ctd\u003eS-FPL51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating\u003c\/td\u003e\n\u003ctd\u003eSMC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e70mm \/ 2.75-Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal length\u003c\/td\u003e\n\u003ctd\u003e420mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Focuser\u003c\/td\u003e\n\u003ctd\u003eRAP (Rack and Pinion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear Reduction\u003c\/td\u003e\n\u003ctd\u003e1:10 Fine movement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolving capacity\u003c\/td\u003e\n\u003ctd\u003e1.97\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimit value\u003c\/td\u003e\n\u003ctd\u003e11.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight gathering capacity\u003c\/td\u003e\n\u003ctd\u003e100x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Useful magnification\u003c\/td\u003e\n\u003ctd\u003e140x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube weight\u003c\/td\u003e\n\u003ctd\u003e3240g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube outer diameter\u003c\/td\u003e\n\u003ctd\u003e88mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube material\u003c\/td\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus Length\u003c\/td\u003e\n\u003ctd\u003e90mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Length\u003c\/td\u003e\n\u003ctd\u003e318mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail \u0026amp; Ring\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Length\u003c\/td\u003e\n\u003ctd\u003e150mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Dimensions\u003c\/td\u003e\n\u003ctd\u003e420mm*250mm*195mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Svbony","offers":[{"title":"Default Title","offer_id":48714603397372,"sku":"F9359A","price":549.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/f9359a-0_20251231162436_3372.webp?v=1769624826","url":"https:\/\/all-startelescope.com\/products\/svbony-sv503-70mm-f7-ed-doublet-refractor-telecope-ota-f9359a","provider":"All-Star Telescope Canada","version":"1.0","type":"link"}