Specification Brand : K&F Concept BulletPoint1 : Mounts M42 Screw Mount SLR Lenses to Sony E-mount mirrorless cameras BulletPoint2 : Smooth surface for effortless mount,infinity focus allowed. BulletPoint3 : Made of brass and aluminum (not plastic), anodized aluminum construction. BulletPoint4 : Designed for Sony Alpha E-mount Cameras: Sony Alpha α7, α7R, α7S, α7 II, α7R II, α7S II Sony Alpha α3000, α5000, α6000, α6300, α6500,α3500, α5100, αQX1, PXW-FS7 Sony NEX-3, NEX-5, NEX-C3, NEX-5N, NEX-7, NEX-F3, NEX-5R, NEX-5T ,NEX-6, NEX-F3, NEX-3N Sony NEX-VG10, NEX-VG20, NEX-VG30, NEX-VG900, NEX-FS100, NEX-FS700, NEX-EA50 etc BulletPoint5 : Please 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. ItemName : K&F Concept Lens Mount Adapter with light-reducing paint for M42 Lens to Sony NEX E-Mount Camera for Sony Alpha NEX-7 NEX-6 NEX-5N NEX-5 NEX-C3 NEX-3 ItemPackageDimensions_Height : 0.1 inches ItemPackageDimensions_Length : 0.1 inches ItemPackageDimensions_Width : 0.1 inches ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-adapters Manufacturer : Shenzhen Zhuoer Photograph ModelNumber : KF06.394 PartNumber : KF06.394 ProductDescription : Notices before purchasing: Canon STM series lenses don't work with our EOS adapters. STM lens (such as EF 50mm f/1.8 STM, EF 18-135 IS STM) requires to be powered to drive the motor to focus, so cannot achieve focus with manual adapters. Manual adapters have no electronic contacts, which therefore don't support auto-focus or aperture control. K&F Concept lens mount adapters are all manual ones. Please figure out the mount of your camera and lens in case of buying the wrong adapter.