M42-EOSM Adapter Ring compatible M42 42mm Lens Compatible with compatible ,AMaterial: Made of aluminum alloy (camera body mount), anodized construction.Solid metal mount lens adapter allows M42 Mount lens is used on compatible M EF-M mirrorless camera body.There is no ROM connection on the ring so diaphragm control of the lens is set manually.Allows focus to . Supports AV / M mode.The adapter is the top quality in this line.Lens:M42 Mount LensCompatible with:compatible M (EF-M Mount) mirrorless camera like compatible M M1 M2 M3 M5 M6 M10 M50 M100.Note:Please note Although the lens fit physically, automatic diaphragm, auto-focusing, or any other functions not operate correctly while using this adapter.To use manual lenses on compatible E-mount camera, please enable " without lens" function in camera menu.Note:Focus manually, please turn on the "no lens release shutter" option in the menu compatible the first time, otherwise it not be recognized.Specifications:A:M42 - EOSM Without BaffleColor:BlackMaterial:Aluminum AlloyPackage Contents:1 * Lens adapter ringOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.