{"product_id":"svbony-sv238-oag-off-axis-guider-w9196a","title":"SVBONY SV238 OAG Off-Axis Guider (W9196A)","description":"\u003ch1\u003eSVBONY SV238 OAG Off-Axis Guider\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eLarge prism design delivers a wider field of view, ensuring higher guiding success rate;\u003c\/li\u003e\n\u003cli\u003eAdjustable prism height for precise alignment with different cameras and telescopes;\u003c\/li\u003e\n\u003cli\u003eDual helical focuser enables fast and stable locking of focus, preventing star blur caused by poor guiding;\u003c\/li\u003e\n\u003cli\u003eCNC-machined construction offers robust durability, resistant to outdoor temperature changes and deformation;\u003c\/li\u003e\n\u003cli\u003eCompatible with APS-C and smaller sensors;\u003c\/li\u003e\n\u003cli\u003eSupports M54, M48, and M42 filter threads, allowing broad compatibility and fast setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eSV238 Off-Axis Guider\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe OAG is an essential astroimaging accessory for long focal length telescopes that require the most accurate guiding possible. The SV238 OAG uses a prism to intercept a small portion of the telescope’s focal plane (outside the field of view of the main imaging camera) to locate a guide star. Any movement seen by the guide star will be the exact same movement seen by the imaging camera. Guiding this way will correct for tracking errors, as well as opto-mechanical errors or flexure. The result: better astroimages with pinpoint round stars.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/1_6d9ee8ce-20a9-49ac-8f63-7a2b1e257dea.jpg?v=1760119842\u0026amp;width=700\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/2_ede5e42b-c1ff-4d6f-b0b9-b9b04d7c40b1.jpg?v=1760119854\u0026amp;width=700\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eLarge 8×14mm prism\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSVBONY SV238 OAG off-axis guidescope captures more starlight and provides a wider field of view. It can easily find the right guide star even in sparse star fields, ensuring a higher guiding success rate and stable performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/3_6b2a6db4-5523-4e64-90a3-885e022a8fcc.jpg?v=1760119913\u0026amp;width=700\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eAdjustable Prism Height\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis OAG features precise prism height adjustment for flexible alignment with various cameras and telescopes. Fine-tune the prism position to capture bright guide stars and avoid ghosting in the primary camera, ensuring clear, stable images under any conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/4_1bdc9bb7-fd78-4077-92cc-d6ec20095296.jpg?v=1760119945\u0026amp;width=700\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eDual Helical Focuser\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA dual helical focuser on the OAG allows ultra-fine, backlash-free focusing of the guide camera, ensuring pinpoint guide stars and accurate long-exposure tracking.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/5_2bb9335f-1478-4621-8680-9f7841b270a3.jpg?v=1760119974\u0026amp;width=700\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eCNC-Machined Unibody\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt withstands outdoor temperature shifts without deformation, delivering stable performance for astrophotography in all conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/6_e9fa167a-baa4-4259-bea6-72ed560a730f.jpg?v=1760120020\u0026amp;width=700\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eWide Thread Support\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eM54, M48 \u0026amp; M42 adapters let you connect effortlessly to the majority of cameras and telescopes without extra adapters.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/7_c375f9f0-a752-4a7b-b4a8-34a69349a611.jpg?v=1760120041\u0026amp;width=700\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrism Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 × 14 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOAG Body Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eM48×0.75\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eM54×0.75\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTelescope Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM54 \/ M48 \/ M42 (including M48-M42 adapter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Camera Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM54 (Internal Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGuide Camera Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 (compatible with most guide cameras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrism Height Adjustable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplicable Camera Sensors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to APS-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Guide Sensor Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/3\" ~ 1\/1.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdapters Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM48, M54-M42, M48-M42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/S9_d255220f-3016-4811-9fc9-0a87748e0368.jpg?v=1760120193\u0026amp;width=700\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eManuals \u0026amp; Warranty\u003c\/h3\u003e\n\u003cp\u003eSvbony 1-Year Warranty \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Svbony","offers":[{"title":"Default Title","offer_id":54479023210780,"sku":"nvo1787945780283","price":78.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0926\/7078\/7868\/files\/svbony-sv238-oag-off-axis-guider-w9196a_1.jpg?v=1787945786","url":"https:\/\/www.blossomandbay.shop\/products\/svbony-sv238-oag-off-axis-guider-w9196a","provider":"My Store","version":"1.0","type":"link"}