Allows focus to infinity. Supports A / M mode. With lock pin and stop screw. Built-in tripod Mount. Material: Metal. Smooth surface for effortless mount. Dimensions (cm) 7.5 x 7.5 x 3.2 Note : Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter. To use manual lenses on Sony NEX camera, please enable "Release without lens" function in camera menu. Compatible with: Sony E Mount Camera. (For A7, A7R, which are full frame cameras, there may possibly have dark corners on photo when using some lens, not compatible with A7S) Color:as shown Package content : 3 x Adapter for AF MA lens to Sony NEX Only the above package content, other products are not included. Note: Light shooting 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.