{"product_id":"svbony-sa404-m48-to-m42-adapter","title":"SVBONY SA404 M48 Female to M42 Male Adapter (1.25″)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9165a-1_20250807114314_9015_20260810143951_4968.webp?v=1791670095\" alt=\"SVBONY SA404 M48 to M42 adapter\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SA404 is an aluminium-alloy adapter that converts an M48×0.75 male telescope thread to an M42 male thread, with a 1.25″ interface for eyepieces. SVBONY designed it for the SV41 Mak spotting scope, whose rear port is an M48 male thread, so the scope can take a Canon, Nikon or Sony camera through a T-ring. It is 31.5 mm tall, 54 mm across, machined to 0.1 mm accuracy, and weighs 70 g.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you own an SVBONY SV41 Mak or another scope with an M48 male rear thread and want to attach an M42 camera train or a 1.25″ eyepiece.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9165a-2_20250807114314_9886.jpg?v=1791670095\" alt=\"SVBONY SA404 adapter threads\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48 female to M42 male:\u003c\/strong\u003e connects an M48 scope to M42 (T2) cameras and accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25″ interface:\u003c\/strong\u003e also accepts 1.25″ eyepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.1 mm machining accuracy:\u003c\/strong\u003e for a tight, square fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium alloy, 70 g:\u003c\/strong\u003e light and compact at 54 × 31.5 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigiscoping and photography\u003c\/strong\u003e through the SV41 Mak spotting scope with a camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunar and planetary imaging\u003c\/strong\u003e through M48-threaded scopes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEyepiece use\u003c\/strong\u003e on an M48 rear port via the 1.25″ interface.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9165a-3_20250807114315_0499.jpg?v=1791670095\" alt=\"SVBONY SA404 adapter with 1.25″ interface\" 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\u003eTelescope side:\u003c\/strong\u003e M48×0.75 female, for scopes with an M48 male thread such as the SVBONY SV41 Mak.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera side:\u003c\/strong\u003e M42 male; a camera-specific M42 T-ring (Canon, Nikon, Sony and others) is needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEyepieces:\u003c\/strong\u003e 1.25″.\u003c\/li\u003e\n\u003cli\u003eSend us your scope and camera models and we will confirm the train with you.\u003c\/li\u003e\n\u003c\/ul\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 glass, no electronic connection.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-ring sold separately.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdds 31.5 mm\u003c\/strong\u003e to your optical path, which counts toward any backfocus figure.\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. Thread it onto the scope's M48 male port, then thread a T-ring and camera onto its M42 side, or insert a 1.25″ eyepiece.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it fit scopes other than the SV41 Mak?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. SVBONY states it works with any scope that has an M48 male thread.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much length does it add?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e31.5 mm.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 70 g aluminium M48-female to M42-male adapter with a 1.25″ interface, made for the SV41 Mak and other M48-threaded scopes.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722222600303,"sku":"W9165A","price":16.67,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9165a-1_20250807114314_9015_20260810143951_4968.webp?v=1791670095","url":"https:\/\/ontariotelescope.com\/products\/svbony-sa404-m48-to-m42-adapter","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}