Commlite CM-AEF-MFT Speed Booster 0.71x Auto Focus Lens Adapter for M4/3 cameras

【Compatibility】Compatible with EF Series Lens to M4/3 (MFT/Micro Four Third) Mount Cameras. Panasonic: GX1 GX7 GX8 GX80/85 GH1 GH4 GH5 G2 G3 G5 G7 GM1 GF3 AF100 Olympus: E-M1 E-M1 Mark II E-M5 E-M5 Mark II E-M10 PEN-F E-P5 E-PL13. Please check your cameras or lens fits this lens adapter before you purchase.
【0.71x Focal Reducer Booster】CM-AEF-MFT Booster can increase one great of an aperture to blur the background and better highlight the theme. Built-in optical correction group, when using this adapter, the focus of the lens should be shortened by X0.71, and then multiply this data by M4/3 conversion rate, is the approximately M4/3 camera’s actually equivalent focus.
【Auto Focus Function&Aperture Control】CM-AEF-MFT Booster with steady, fast, and smooth autofocus, let you easy to shoot in the face of fleeting beauty. You can also adjust the aperture of EF lens by control M4/3 camera body.
【EXIF signal transmitting&IS Function】Cooper gold-plated contacts with great conductivity enhance the EXIF info. Transmission between lens and camera body. CM-AEF-MFT Booster was built-in IS function, making your focus much more precise and clear.
【With USB port firmware update】For adapter firmware update, connect the adapter to the computer with a USB cable and execute the latest file download from the official website. Do not require to attach the adapter to your camera.