Reducer Speed Booster Auto Focus Lens Adapter Compatible with Canon EF Lens to Micro Four Thirds M43 MFT Mount Camera Panasonic GH4 GH5 GH5S GF6 GF1 GX7 Olympus E-M5 E-M10 E-PL5 - VILTROX EF-M2 II 0.71x

• 【Compatibility】VILTROX EF-M2 II Speed Booster is compatible with full-frame Canon EF lens to M4/3 mount camera,such as GH4 GH5 GH5S GF6 GF1 GX85 E-M1 E-M5 E-M10 E-PL5,etc.Support firmware upgrade via USB port. 【Increase the Aperture】The EF-M2 II Booster can increasing one gear of aperture to blur the background and better highlight the theme. 【0.71x Focal Reduce Focus Length】Built-in with optical correction group,when using the adapter,the focus of the lens should be multiplied by 0.71,then multiply this data by M4/3 conversion rate, is the lens’ actually equivalent focus. 【Auto Focus & Aperture Control】With copper electronic contacts,EF-M2 II will give you fast speed and smooth focusing experience.You can also adjust the aperture of EF lens by control M4/3 camera body. 【EXIF signal transmitting & IS Function】EF-M2 II can transmit the EXIF signals to your camera and display the current information on the screen( like Aperture,Shutter Speed, Exposure parameters, etc. ),and with Built-in IS function, making your focus much more precise and clear.