{"product_id":"svbony-sv555-astrophotography-camera-lens-f9395a","title":"SVBONY SV555 54mm F4.5 APO Petzval Astrograph OTA | F9395A","description":"\u003cp\u003eSvbony SV555 professional astronomical photography Astrograph Telescope APO is designed for deep-sky photography. Petzval objective lens structure includes a triplet lens and 2-ED glasses offering a clear image without aperture blocking. 44mm full frame has a wide field of view and provides a clearer image. EAF kit and fine adjustment make it convenient to shoot (EAF not included). F22 to F4.5 variable aperture meets different use needs. For photography users, SV555 will be a better choice to use.  It is going to be an ace travel lens for your journey.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6386510249477841506783642.jpg?v=1769466344\"\u003e\u003c\/p\u003e\n\u003ch3\u003eTest Report Interferogram\u003c\/h3\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6388368060921941573989354.webp?v=1769466344\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6386510251659207792553982.jpg?v=1769466344\"\u003e\u003c\/p\u003e\n\u003cp\u003eSV555 astrophotography telescope camera lens can adjust the aperture from F22 to F4.5; professional astronomical photography lens includes a graded adjustment ring and scale; keeping the parameters the same without changing due to accidental touching; increasing the accuracy of shooting, meeting a variety of use needs.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6386510253006331907116268.jpg?v=1769466344\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe SV555 ED APO astro camera lens uses integrated structure and light weight; increasing the ease of use when shooting.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6386510266953046968828259.jpg?v=1769466344\"\u003e\u003c\/p\u003e\n\u003cp\u003eSV555 APO astro camera lens is featured with a handle; bracker; and dovetail plate; making it more convenient to use the lens when shooting. With a lockable 360° rotator and rotatable lens tube, the APO telephoto lens is convenient for adjusting and saving the angle. Whether daily shooting or astrophotography, you can find a suitable angle for a better shooting effect.\u003c\/p\u003e\n\u003cp\u003eCompatible with cameras; the M72 front filter thread can be connected to the camera filter for daily photography; the design increases the flexibility and ease of the APO telephoto lens. Dual rotate design; lockable 360° rotator and lens tube help you adjust the angle accurately; astrophotography telescope offers a better photography effect to you.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6386390716980020453879792.jpg?v=1769466344\"\u003e\u003c\/p\u003e\n\u003cp\u003eIncreased image quality; SV555 APO astro camera lens consists of a 3-group 5-piece petzval objective lens structure; which includes a set of triplet lens; bringing you a clearer image. Petzval objective lens structure with triplet lens offers a flatter field of view. What' more, the astrograph lens has featured with ultra-wide field of view for larger targets, and pin-point stars edge to edge with almost 0 chromatic aberration.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6386390717009110653836612.jpg?v=1769466344\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6386390717038213782832883.jpg?v=1769466344\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6386390717067157214060536.jpg?v=1769466344\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eSV555 Photography Portfolio\u003c\/h3\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6388644355734499051095741.jpg?v=1769466148\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSVBONY\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSV555\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eObjective Type \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePetzval Design（5 Elements in 3 Groups)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAperture \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e54mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOptic Coated \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFMC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFocal Length \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e243mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFocal Ratio \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ef\/4.5-f\/22\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFocuser \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHelical\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eImage Circle \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eΦ 44mm (Full Frame)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLockable 360º rotator \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMount Type \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDovetail Plate\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDovetail Plate Length \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e184mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDovetail Plate Width \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e42mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLens Barrel Circumference\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e293mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFront Filter Thread \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eM72\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBack-end connection \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eM48x0.75 male thread\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNet Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2450g  (excluding accessories) \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLength of Screws\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cdiv\u003e\u003cspan\u003e2 x M6 short screws, length 10mm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e2 x M6 long screws, length 55mm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e2 x M4 screws, length 8mm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e4 x M5 screws, length 12mm\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6386510291033527916158863.jpg?v=1769466344\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/6386390717096730747469774.jpg?v=1769466344\"\u003e\u003c\/p\u003e","brand":"Svbony","offers":[{"title":"Default Title","offer_id":48711962362108,"sku":"F9395A","price":809.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/sv555-f9395a-1_20251125175052_3060.webp?v=1769466344","url":"https:\/\/all-startelescope.com\/fr\/products\/svbony-sv555-astrophotography-camera-lens-f9395a","provider":"All-Star Telescope Canada","version":"1.0","type":"link"}