{"product_id":"william-optics-m48-to-m42-adapter","title":"William Optics M48 to M42 Adapter","description":"\u003cp\u003eThe \u003cstrong\u003eWilliam Optics M48 to M42 Adapter\u003c\/strong\u003e converts an M48-threaded astronomy accessory connection to M42. It is designed for astrophotographers who need a simple mechanical thread adapter when building or spacing a telescope imaging train.\u003c\/p\u003e\u003ch2\u003eWho Is This Product Best For?\u003c\/h2\u003e\u003cp\u003eThis adapter is best for astrophotographers who need to connect M48-threaded accessories to M42-threaded camera adapters, spacers, or imaging accessories.\u003c\/p\u003e\u003ch2\u003eWhy Choose This Product?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48 to M42 conversion:\u003c\/strong\u003e Helps connect common astronomy imaging thread standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical adapter:\u003c\/strong\u003e Simple, compact solution for camera train compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUseful for spacing:\u003c\/strong\u003e Helps complete imaging trains where thread standards do not match.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRecommended Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAstrophotography accessory connection\u003c\/li\u003e\n\u003cli\u003eM48-to-M42 thread conversion\u003c\/li\u003e\n\u003cli\u003eTelescope camera train setup\u003c\/li\u003e\n\u003cli\u003eBackfocus and spacing configurations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility and Accessory Notes\u003c\/h2\u003e\u003cp\u003eConfirm thread gender, required optical spacing, and total backfocus before using this adapter in an imaging train.\u003c\/p\u003e\u003ch2\u003eImportant Limitations\u003c\/h2\u003e\u003cp\u003eThis is a mechanical thread adapter only. It does not provide optical correction, spacing by itself beyond its physical thickness, or electronic communication.\u003c\/p\u003e\u003ch2\u003eOur Recommendation\u003c\/h2\u003e\u003cp\u003eChoose this adapter when you need to bridge M48 and M42 threaded astronomy imaging accessories.\u003c\/p\u003e","brand":"William Optics","offers":[{"title":"Default Title","offer_id":53154275393647,"sku":"AD-M48-M42","price":15.4,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/william-optics-m48-to-m42-adapter-1_13dd7e6b-2300-4d9b-89fa-e987c6248ea1.jpg?v=1779663261","url":"https:\/\/ontariotelescope.com\/products\/william-optics-m48-to-m42-adapter","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}