Description: Adapter for Contarex CRX Lens to Leica M system cameras (MP, M9, M8, M7, M6, M5, etc.) with this adapter. You can connect the latest TECHART LM-EA7 auto focus lens adapter with this adapter. Auto-Focus (AF) is not available. It does not affect optical performance because there is no glass element in the adapter. Easy to use,no complicated work required. you can install it between camera body and lens without any tools. Specification: Material:Metal Size:.7*7*2.3cm(L*W*H) Suitable For: Lens: for Contarex CRX Lens Cameras: for Leica M Camera (M9,M7,MP,M8,M6,M5). Lens Adapter:Techart LM-EA7 Focusing infinity No ROM connection on the adapter Diaphragm control of the lens is set manually Possible to use with Macro rings and other accessories Lens lock pin Settings: 1. Put red marks of the adapter and lens collar together. 2. Turn the adapter anticlockwise till the fixative click. 3. Mostly it will use Manual or AV mode. Removing: To remove the adapter you should unpress fixative pin and turn the adapter clockwise. Package Includes: 1 Piece CRX-LM Lens Mount Adapter Note: Automatic diaphragm, auto-focusing,or any other functions will not operate correctly while using this adapter. Stop-down mode" will need to be used when metering since the lens does not have the ability to have its aperture. Controlled by the camera body.