Sametop Lens Mount Adapter Ring M42 to E Mount for Digital Camera, NEX, ILDC Series and E Mount Camcorder GOOD MATERIAL - Made of Copper-Aluminum Alloy, smooth surface for effortless mount, fine made to be light weight and strong. FULLY ADJUSTABLE - Allows adjustable M42 42mm lens M42 to e mount sony NEX camera body. MANUAL REQUIRED - M AV P are available. You can use MF assist function to focus accurately. Could not be auto focus, manual focus manual exposure. WIDELY APPLICABLE - Fits 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. Please note: This Sony E-mount camera adapter does NOT work on Sony A7II, A7S. INFINITY FOCUS - It's able to focus infinity.