Genuine Olympus MMF-1 Four Thirds lens adapter. Allows Olympus Four Thirds DSLR lenses to be mounted on compatible Micro Four Thirds camera bodies. Electronic contacts retain lens communication, aperture control and autofocus with compatible camera and lens combinations. Tested with an Olympus OM-D E-M5 and compatible Four Thirds lens; aperture control and autofocus are working correctly. Includes front and rear caps. Used condition with light cosmetic signs of use. Please see photographs for the exact condition. Please check compatibility with your camera body and lens before purchasing. This MMF-1 model is not weather-sealed.