{"product_id":"svbony-sv545-petzval-refractor-astrograph-lens-w9317b","title":"SVBONY SV545 Petzval Refractor Astrograph Lens - W9317B","description":"\u003cdiv class=\"card-header\" role=\"tab\"\u003e\n\u003cdiv class=\"card-header\" role=\"tab\"\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced 3G5E Petzval APO Design\u003c\/strong\u003e\u003cbr\u003eOur 3-group, 5-element triplet Petzval APO structure ensures superior optical consistency and portability compared to complex 6-group all-separated designs—delivering exceptional sharpness with a simpler, more reliable form.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-in Flat Field for Perfect Frame\u003c\/strong\u003e\u003cbr\u003eFeaturing a native flat-field design, it eliminates the need for external correctors—saving cost and setup time while providing edge-to-edge star clarity right out of the box.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Focus with EAF Readiness\u003c\/strong\u003e\u003cbr\u003eThe one-piece helical focuser comes pre-equipped for Electronic Auto Focuser (EAF) mounting—enabling smooth, automated fine-tuning during imaging, unlike separate manual focus systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUniversal Compatibility \u0026amp; Easy Integration\u003c\/strong\u003e\u003cbr\u003eDesigned with standard threaded interfaces and ample back focus, it seamlessly connects to DSLRs, astronomy cameras, and filter wheels—streamlining your imaging train without adapters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Build for Demanding Conditions\u003c\/strong\u003e\u003cbr\u003eWith an all-metal body, protective lens coatings, and sealed construction, it performs reliably in humid or dusty environments—made for lasting performance under the stars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-10_20251219101629_5486.webp\" 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https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-12_20251219101635_4375.webp?x-oss-process=image\/resize,m_fill,h_3838,w_3838 3838w\" sizes=\"(max-width: 767px) 1534px, (max-width: 1024px) 2048px, (max-width: 1919px) 3838px, 3838px\"\u003e\u003cimg src=\"https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-14_20251219101641_3151.webp\" srcset=\"https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-14_20251219101641_3151.webp?x-oss-process=image\/resize,m_fill,h_1534,w_1534 1534w, https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-14_20251219101641_3151.webp?x-oss-process=image\/resize,m_fill,h_2048,w_2048 2048w, https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-14_20251219101641_3151.webp?x-oss-process=image\/resize,m_fill,h_3838,w_3838 3838w\" sizes=\"(max-width: 767px) 1534px, (max-width: 1024px) 2048px, (max-width: 1919px) 3838px, 3838px\"\u003e\u003cimg src=\"https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-16_20251219101713_3423.webp\" srcset=\"https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-16_20251219101713_3423.webp?x-oss-process=image\/resize,m_fill,h_1534,w_1534 1534w, https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-16_20251219101713_3423.webp?x-oss-process=image\/resize,m_fill,h_2048,w_2048 2048w, https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-16_20251219101713_3423.webp?x-oss-process=image\/resize,m_fill,h_3838,w_3838 3838w\" sizes=\"(max-width: 767px) 1534px, (max-width: 1024px) 2048px, (max-width: 1919px) 3838px, 3838px\"\u003e\u003cimg src=\"https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-18_20251219101718_2772.webp\" srcset=\"https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-18_20251219101718_2772.webp?x-oss-process=image\/resize,m_fill,h_1534,w_1534 1534w, https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-18_20251219101718_2772.webp?x-oss-process=image\/resize,m_fill,h_2048,w_2048 2048w, https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-18_20251219101718_2772.webp?x-oss-process=image\/resize,m_fill,h_3838,w_3838 3838w\" sizes=\"(max-width: 767px) 1534px, (max-width: 1024px) 2048px, (max-width: 1919px) 3838px, 3838px\"\u003e\u003cimg src=\"https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-20_20251219101723_5148.webp\" srcset=\"https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-20_20251219101723_5148.webp?x-oss-process=image\/resize,m_fill,h_1534,w_1534 1534w, https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-20_20251219101723_5148.webp?x-oss-process=image\/resize,m_fill,h_2048,w_2048 2048w, https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-20_20251219101723_5148.webp?x-oss-process=image\/resize,m_fill,h_3838,w_3838 3838w\" sizes=\"(max-width: 767px) 1534px, 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(max-width: 1024px) 2048px, (max-width: 1919px) 3838px, 3838px\"\u003e\u003cimg src=\"https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-26_20251219101800_4141.webp\" srcset=\"https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-26_20251219101800_4141.webp?x-oss-process=image\/resize,m_fill,h_1534,w_1534 1534w, https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-26_20251219101800_4141.webp?x-oss-process=image\/resize,m_fill,h_2048,w_2048 2048w, https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-26_20251219101800_4141.webp?x-oss-process=image\/resize,m_fill,h_3838,w_3838 3838w\" sizes=\"(max-width: 767px) 1534px, (max-width: 1024px) 2048px, (max-width: 1919px) 3838px, 3838px\"\u003e\u003cimg src=\"https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-28_20251219101805_2095.webp\" srcset=\"https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-28_20251219101805_2095.webp?x-oss-process=image\/resize,m_fill,h_1534,w_1534 1534w, https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-28_20251219101805_2095.webp?x-oss-process=image\/resize,m_fill,h_2048,w_2048 2048w, https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-28_20251219101805_2095.webp?x-oss-process=image\/resize,m_fill,h_3838,w_3838 3838w\" sizes=\"(max-width: 767px) 1534px, (max-width: 1024px) 2048px, (max-width: 1919px) 3838px, 3838px\"\u003e\u003cimg src=\"https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-30_20251219101810_8152.webp\" srcset=\"https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-30_20251219101810_8152.webp?x-oss-process=image\/resize,m_fill,h_1534,w_1534 1534w, https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-30_20251219101810_8152.webp?x-oss-process=image\/resize,m_fill,h_2048,w_2048 2048w, https:\/\/res.svbony.com\/s_file\/20251219\/W9317B-Description-30_20251219101810_8152.webp?x-oss-process=image\/resize,m_fill,h_3838,w_3838 3838w\" sizes=\"(max-width: 767px) 1534px, (max-width: 1024px) 2048px, (max-width: 1919px) 3838px, 3838px\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003ePackage Includes:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eAstro APO Camera Lens\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eEAF Mount Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eHandle with integrated Vixen Finder saddle\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eDovetail plate\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eCamera Angle Adjuster\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e2\" Filter Holder (assembled with the Lens)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003ePlastic Lens Cover\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eM48 Metal Lens Cover\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eSoft Padded Case\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eWrench\u0026amp; Screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eInstruction Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd class=\"et2\" height=\"23\" width=\"351\"\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd width=\"182\"\u003e\u003cspan\u003eSV545\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"et2\" height=\"23\"\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 height=\"21\"\u003e\n\u003ctd class=\"et2\" height=\"23\"\u003e\u003cspan\u003eAperture\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e45mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd class=\"et2\" height=\"23\"\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 class=\"et2\" height=\"23\"\u003e\u003cspan\u003eFocal Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e203mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"et2\" height=\"23\"\u003e\u003cspan\u003eFocal Ratio\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ef\/4.5\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"et2\" height=\"23\"\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 class=\"et2\" height=\"23\"\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 class=\"et2\" height=\"23\"\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 class=\"et2\" height=\"23\"\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\u003eEstimated weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2750g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Svbony","offers":[{"title":"Default Title","offer_id":48595635175643,"sku":"W9317B","price":549.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0224\/6770\/6960\/files\/svbony-telescopes-svbony-sv545-petzval-refractor-astrograph-lens-w9317b-1232398550.webp?v=1776208089","url":"https:\/\/telescopescanada.ca\/fr\/products\/svbony-sv545-petzval-refractor-astrograph-lens-w9317b","provider":"Telescopes Canada","version":"1.0","type":"link"}