Full manual operation, manual focus, manual adjustment of the aperture, manual exposure can be achieved with the body, aperture priority exposure, infinite focus! Applicable fuselage: NEX series fuselage on the market, perfect NEX-F3, NEX-3, NEX-C3, NEX-5, NEX-5C, NEX-5D, NEX-5N, NEX-5A, NEX- 5K, NEX-5T, NEX-5R, NEX-6, NEX-7, A7, A7R, A5000, A6000 and other E-mount mirrorless cameras NEX adapter ring use: 1. First, enter the setting (MUNE) option in the camera menu and turn on the " without lens". Generally, the assist focusing is turned on by default, that is, there is a dense red when focusing. The most commonly used settings for using the adapter ring (this can be set according to personal preference) 2. Use LCD to focus, composition and light metering are all easy to control, both are manual focus, convenient and fast! 3. MF zoom in and focus function (usually software B, bottom right button), 7 times or 14 times zoom in focus can be used to achieve the focus function 4. You can use M file or A file (support automatic metering) mode to , and enjoy the fun of manual! Colour:black Material:metal Size:5 x 4 x 3cm Package Contents: 1 x Adapter Ring Only the above package content, other products are not included. Note: Light 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.