1. The adapter ring can connect different of lenses and cameras to , which greatly increases the lens resources and brings a lot of fun. After the adapter, it can' auto focus and needs to focus manually. 2. All kinds of cameras can in M ​​files, and the aperture information is not displayed in the camera and photo parameters. The manual setting of the lens or the adjustment of the adapter ring shall prevail. The settings that the camera can change are parameters such as shutter and ISO 3. Some cameras can with AV, P, automatic gear, automatic exposure, very convenient for 4. In some camera menus, you need to make corresponding settings before you can the shutterManual exposure can be achieved with the body, aperture priority exposure, infinite focus Applicable models: FOR GF1 GF2 GF3 GF5 GF6 G1 G2 G3 G6 GX1 GH1 GH2 GH3 etc. FOR E-M1 E-P1 E-P2 E-P3 E-P5 E-5 E-PM1 E-PM2 -D E-M5 E-PL1 E-PL2 E-PL3 E-PL5 etc. At present, the Micro-4/3 system can take almost all lenses. There are 9 types of /3 adapters that have arrived. (Cine lens, PK, /R, /M, , , FD, AI, M42, etc.), It is still being launched, making the old lens digitally. The /3 adapter does not require any additional corrective lenses, You can focus at , so that you can retain the imaging effect of the lens, and because the /3 only takes The half of the imaging range in the middle of the full pair of lenses, which is the of the imaging, can give full play to the excellent performance of the lens. Colour: black Material: metal Size: 5x4x2CMPackage Contents: 1 * Adapter RingOnly 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.