LIGHT LENS LAB M-L Macro (Leica M-mount lens → L Lumix LEICA SL mount conversion) mount adapter with helicoid. Excellent condition. No operational issues. I am selling it because I no longer need it, as I have changed cameras. Retail price: ¥23,940 Functions: Helicoid (extension: 2mm), infinity lock mechanism, focus lever Compatible lens mount: Leica M Compatible camera mount: L (Leica, Panasonic, Sigma) Weight: Approximately 100g Notes: Please turn on the "Release without lens" setting on your camera before use.