VILTROX EF-M2II Speed Booster Micro 4/3 Focal Reducer Booster Adapter Auto-Focus 0.71x for Canon EF Mount Series Lens to M4/3 Camera GH4 GH5 GF6 GF1 GX1 GX7 E-M5 E-M10 E-M10II E-PL5
Brand: VILTROX

Main Features
- Auto-focus function and inbuilt electronic contacts
- Focal length multiplier is 0.71x. Equivalent focal length = focal length x 0.71, which helps enlarge 1 stop aperture
- Support aperture adjustment, EXIF signal transmission and USB port for firmware upgrade
- Made of high quality metal with surface plating treatment, very durable and sturdy
- Gold-plated PINs bring great conductivity of signal transmitting
Compatible Lenses: for Canon EF series lenses (please check the details shown in above picture)
Compatible Cameras: for M4/3 series cameras
- Panasonic
GH5/GH4/GH3/GH2/GH1/GF9/GF8/GF7/GF6/GF5/GF4/GF3/GF2/GF1/ GX85/GX8/GX7/GX1/G7/G6/G3/G2/G1
-Olympus
E-M10/E-M10II/E-M10III/E-M5II/E-M5/E-M1/E-PL8/E-PL7/E-PL5/E-PL3/E-PL2/PEN-F/E-PM2/E-PM1/E-P5/E-P3/E-P1

Compatibility: Viltrox EF-M2 II is an upgrade version of EF-M2, allowing Canon EF series lenses to be used on M4/3 cameras, such as GH4 GH5 GF6 GF1 GX1 GX7 GX85 E-M5 E-M10 E-M10II E-PL5
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.