{"product_id":"borg-7923-m57-m49-8-adss","title":"BORG 7923 M57-M49.8 Adss","description":"\u003ch2\u003eBORG 7923 M57-M49.8 Adss | A direct link between two interface sizes\u003c\/h2\u003e\n\u003cp\u003eBORG 7923 M57-M49.8 Adss is an adapter component marked for M57 and M49.8 interfaces. It’s for photographers and optical-system users who are assembling a setup from parts with those matching sizes, and need a clearly defined connection between them. The useful detail is in the name: this is a specific size transition, rather than a general-purpose accessory. That makes it relevant when planning a build or replacing a link in an existing arrangement; the markings give you a concrete starting point for checking how the adjoining components fit together. Its job is practical and focused: help join parts across the two stated interface sizes. It won’t change the focal length of your lens or alter how you frame a subject. Instead, it belongs in the mechanical side of setting up equipment, where the right connection can make a system work as intended. If your setup doesn’t use both named sizes, this isn’t the adapter to choose.\u003c\/p\u003e\n\n\u003cdiv class=\"specialist-note\"\u003e\n\u003ch3\u003eSpecialist Note\u003c\/h3\u003e\n\u003cp\u003ePeople piecing together an optical setup from components with different connection sizes are the ones I’d point toward this BORG part. The M57 marking gives you one side to match, while M49.8 identifies the other; in practice, that lets you plan a transition between those two interfaces instead of improvising with an uncertain fit. I’d use it when joining compatible components in a build, or when replacing a missing link in a setup that already calls for these sizes. The honest limitation is that it’s a specific adapter, not a universal solution: both ends of your intended connection need to suit its stated interfaces. Match those sizes first and its purpose is refreshingly clear.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: BORG\u003c\/li\u003e\n\u003cli\u003eModel: 7923\u003c\/li\u003e\n\u003cli\u003eInterface sizes: M57 and M49.8\u003c\/li\u003e\n\u003cli\u003eProduct designation: Adss\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BORG","offers":[{"title":"Default Title","offer_id":57563638006100,"sku":"BG-7923","price":35.28,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/2493\/3716\/files\/BG-7923_01.jpg?v=1791804891","url":"https:\/\/www.htf-store.com\/products\/borg-7923-m57-m49-8-adss","provider":"Hard to Find Camera Store","version":"1.0","type":"link"}