{"product_id":"svbony-sv239-185mm-double-sided-vixen-arca-swiss-dovetail-plate","title":"SVBONY SV239 185mm Double-Sided Vixen\/Arca-Swiss Dovetail Plate","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1-1_20260522171250_4156_20260810110036_5066.webp?v=1791665333\" alt=\"SVBONY SV239 185mm double-sided Vixen\/Arca-Swiss dovetail plate\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV239 is a double-sided dovetail plate made from extruded, anodized aluminium alloy. Its profile fits both Vixen-style and Arca-Swiss clamps, and it carries UNC 1\/4-20 and UNC 3\/8-16 threads plus 6.5 mm through-slots for tube rings and accessories. This listing is the 185 mm length, which weighs 130 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1-2_20260522171250_4936.webp?v=1791665333\" alt=\"SVBONY SV239 dovetail plate product overview\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you mount a telescope in tube rings and need a plate to join them to a Vixen or Arca-Swiss saddle, move a small scope or camera between a tripod head and a telescope mount, or want a second dovetail on top of your rings for a guide scope or finder.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVixen and Arca-Swiss compatible:\u003c\/strong\u003e 38 mm upper width and 43.5 mm lower width, 15.5 mm high.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-sided:\u003c\/strong\u003e 6 mm grooves top and bottom, so the plate can be fitted either way up or used to carry accessories on top.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded holes:\u003c\/strong\u003e UNC 1\/4-20 for cameras and accessories, UNC 3\/8-16 for larger hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e55 mm slot (6.5 mm wide):\u003c\/strong\u003e lets you slide tube rings along the plate to balance the telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtruded anodized aluminium:\u003c\/strong\u003e red finish, 130 g.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/2_20260522171250_6193.webp?v=1791665333\" alt=\"SVBONY SV239 dovetail plate Vixen and Arca-Swiss profile\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/3_20260522171250_6915.webp?v=1791665333\" alt=\"SVBONY SV239 dovetail plate threaded holes and slot design\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttaching tube rings\u003c\/strong\u003e to an equatorial or alt-az mount with a Vixen or Arca-Swiss saddle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalancing a telescope\u003c\/strong\u003e by sliding the rings along the slot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarrying a camera or guide scope\u003c\/strong\u003e on the 1\/4-20 threads.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/4_20260522171250_8073.webp?v=1791665333\" alt=\"SVBONY SV239 dovetail plate mounting uses\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSaddles:\u003c\/strong\u003e Vixen-style and Arca-Swiss clamps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreads:\u003c\/strong\u003e UNC 1\/4-20 and UNC 3\/8-16; 6.5 mm through-holes for M6 screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessories:\u003c\/strong\u003e SVBONY notes compatibility with finder scopes, finder bases and other mounting accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e254 mm version:\u003c\/strong\u003e SVBONY also makes a 254 mm length with an 87 mm slot. Get in touch if you need it.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/5_20260522171250_9149.webp?v=1791665334\" alt=\"SVBONY SV239 dovetail plate compatibility and dimensions\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSV239 dovetail plate\u003c\/li\u003e\n\u003cli\u003eM5 L-type hex wrench\u003c\/li\u003e\n\u003cli\u003eTwo M6 x 16 mm hex socket screws\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6_20260522171251_0082.webp?v=1791665333\" alt=\"SVBONY SV239 dovetail plate with hex wrench and screws\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlate only:\u003c\/strong\u003e tube rings and the mount are sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e the 185 mm plate suits shorter tubes and lighter setups; the 55 mm slot sets how far the rings can slide.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Bolt your tube rings to the plate with the supplied M6 screws, slide the plate into your mount's saddle, and tighten the clamp.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it fit Vixen or Arca-Swiss?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBoth. The profile is made to fit either standard.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I mount a camera on it?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes, through the 1\/4-20 threaded holes.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 185 mm, 130 g double-sided dovetail plate that fits Vixen and Arca-Swiss saddles, with 1\/4-20 and 3\/8-16 threads and a 55 mm slot for tube rings.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721433448559,"sku":"SV239-185","price":47.01,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1-1_20260522171250_4156_20260810110036_5066.webp?v=1791665333","url":"https:\/\/ontariotelescope.com\/products\/svbony-sv239-185mm-double-sided-vixen-arca-swiss-dovetail-plate","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}