VILTROX EF M2 II Auto Focus MFT 0.71x Reducer Speed Booster Lens Adapter for Canon Mount to Micro Four Thirds M4/3 Camera Panasonic GH4 GH5 GH5S GF6 GX85 GX7 Olympus E M5 M10 PL5

Compatibility: VILTROX EF-M2 II is an upgrade version of EF-M2, it is designed for Canon EF series lenses to be used on M4/3 mount cameras, such as GH4 GH5 GF6 GF1 GX1 GX7 GX85 E-M5 E-M10 E-M10II E-PL5(not for EF-S mount lens) 0.71x Focal Reducer Converter: focal length is multiplied by 0.71 based on the original (equivalent focal length = focal length x 0.71), which helps enlarge 1 stop aperture AF Functions & Adjustable Aperture: auto focusing function, increasing the lens 1 f-stop and the amount of light into the virtual background, better highlight the theme; adjust the aperture directly from camera to control the lens’ actual aperture Material & Design: bayonets are made of metal with surface plating treatment, being durable and sturdy; inbuilt copper electronic contacts and IS function, making focus precise and clear, with 1/4" thread tripod foot at the bottom, etc USB Firmware Upgrade: Equipped with USB interface, can realize software upgrade. Can perfect new functions of the lens mount adapter and fix bugs according to follow-up upgrades