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't 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 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 press the shutterManual exposure can be achieved with the body, aperture priority exposure, infinite focusApplicable models: FOR GF1 GF2 GF3 GF5 GF6 G1 G2 G3 G6 GX1 GH1 GH2 GH3 etc.FOR EM1 EP1 EP2 EP3 EP5 E5 EPM1 EPM2 D EM5 EPL1 EPL2 EPL3 EPL5 etc.At present, the Micro4/3 system can take almost all lenses. There are 9 types of /3 adapters that have arrived.(Cine lens, PK, /R, /M, , , , 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 takesThe 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: blackMaterial: metalSize: 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 +/ 13cm.