K&F Concept Lens Mount Adapter for Contax/Yashica (C/Y) Lens to Sony Alpha NEX E-Mount Cameras with Matting Varnish Design for Sony NEX-3 NEX-3C NEX-3N NEX-5 Mechanical Lens Adapter

?Function?You can mount Contax Zeiss C/Y lens to fit on Sony E-Mount NEX camera body. ?Material? All-metal design; hardened anodized aluminum construction,matting varnish inside to avoid light reflection; ?Features? Supports manual control, manual focus, manual exposure and focus to infinity; Red dot mark, high precision, easy to install and remove; ?Cameras Compatibility?: Sony NEX-3 NEX-3C NEX-3N NEX-5 NEX-5C NEX-5N NEX-5R NEX5T NEX6 NEX7 NEX-F3 a6000 a5000 a3500 a3000 Alpha A7 A7R NEX-VG10 VG20 etc NOTE: This adapter will NOT fit on the Sony a7S, a7 II, a7S II, and a7R II. ?Note? Infinity focus position?the position of the infinity mark ???of the telephoto lens or super telephoto lens is shifted slightly to the positive side to enable focus adjustment even when focus shift is caused due to temperature changes.The shift range is denoted by an L-shaped line, Be sure to check the focus through the viewfinder even when you shoot at infinity.