{"product_id":"svbony-sv130-m48-to-m42-adapter","title":"SVBONY SV130 M48 to M42 Knurled Telescope Adapter","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6372755768945095586068627.jpg?v=1791669868\" alt=\"SVBONY SV130 M48 to M42 adapter key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV130 is an adapter ring that joins M48 and M42 accessories in a telescope or imaging train. Its knurled body gives a firm grip for threading it on and off by hand. It is a mechanical adapter only, made by SVBONY as an official accessory for SV-series equipment.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9100a-1_20250807145030_3440_20260820164405_0461.webp?v=1791670287\" alt=\"SVBONY SV130 M48 to M42 knurled telescope adapter for astrophotography imaging trains\" 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 part of your train uses the M48 thread — common on 2″ correctors, filter wheels and drawers — and another part uses M42 (T2), as many cameras, T-rings and smaller accessories do.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48 to M42 connection:\u003c\/strong\u003e bridges the two most common thread standards in astrophotography.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKnurled body:\u003c\/strong\u003e easy to grip when threading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSVBONY SV-series accessory:\u003c\/strong\u003e intended for SVBONY telescopes and astrophotography trains.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387039852719506616285089.jpg?v=1791669868\" alt=\"SVBONY SV130 M48 to M42 adapter knurled body detail\" 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\u003eConnecting an M42 camera or T-ring\u003c\/strong\u003e to an M48 corrector, flattener or filter holder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdapting accessories\u003c\/strong\u003e between M48 and M42 parts of an SVBONY imaging train.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9100a-2_20250807145030_4123.jpg?v=1791670288\" alt=\"SVBONY SV130 M48 to M42 adapter ring threads for camera and telescope connection\" 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\u003eThreads:\u003c\/strong\u003e M48 on one side, M42 on the other.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot published:\u003c\/strong\u003e SVBONY does not publish the thread gender on each side, the thread pitch or the adapter's optical length. Before building it into a train with a fixed backfocus, send us your setup and we will confirm the fit and spacing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6372755834630125003133170.jpg?v=1791669868\" alt=\"SVBONY SV130 M48 to M42 adapter thread views\" 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\u003eMechanical adapter only:\u003c\/strong\u003e no optics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpacing:\u003c\/strong\u003e its length adds to the optical path; SVBONY does not publish the figure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e not published by SVBONY.\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. It threads between the M48 and M42 components by hand; the knurled body makes it easy to grip.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is it used for?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eJoining an M48-threaded accessory to an M42-threaded one, typically a 2″ corrector or filter holder to a camera or T-ring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it change my backfocus?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes — any adapter adds its own length. SVBONY does not publish this one's length, so ask us and we will help you plan the spacing.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a knurled SVBONY adapter ring for joining M48 and M42 components in a telescope or imaging train.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722263887983,"sku":"W9100A","price":11.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9100a-1_20250807145030_3440_20260820164405_0461.webp?v=1791670287","url":"https:\/\/ontariotelescope.com\/products\/svbony-sv130-m48-to-m42-adapter","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}