Commlite Comix Mount Adapter Lens Canon EF To MFT 0.71x Speed Booster

Title Commlite AEF-MFT Booster 0.71x Focal Reducer Booster AF Lens Mount Adapter for Canon EF Lens to Panasonic/Olympus M4/3 Camera Enlarge Aperture Speed Booster with USB Update Port For GH4 GH5 GF6 GF1 GX1 GX7 E-M5 E-M10 E-PL5
Description:
Commlite Lens Mount Adapter AEF-MFT Booster can change the EF lens over M4/3 Camera, and meanwhile can achieve functions like USB Firmware Upgrading; 0.71x Focal Reducer Booster; EXIF Info. Transmitting; Support Auto Focus Function; Electronic Aperture Control; Built-in IS Stabilization Function; Gold-plated Contact Pins,etc. It is satisfied all the photographer or video users who need this super combination
Main Features:
USB Firmware Upgrading;
0.71x Focal Reducer Booster;
EXIF Info. Transmitting
Support Auto Focus Function;
Electronic Aperture Control;
Built-in IS Stabilization Function;
Gold-plated Contact Pins for Great Conductivity;
1/4 Bottom Tripod Base Plate;
CNC Processing with Aluminum Alloy Made;
Notice:
1.Increase the Aperture
Increasing one gear of aperture to blur the background and better highlight the theme. CM-AEF-MFT Booster with high-quality will be a good choose for shutterbug.
2.Reduce Focal Length
This adapter built-in with optical correction group, when using the adapter, the focus of the lens should be multiplied by 0.71, then multiplied by 1.5 (the focus multiplier), is the lens actually equivalent focus .
For example, the 50mm focal length is mounted on APS-C camera:
50mm (Original EF lens Focal Length) x0.71( EF-E Mount Adapter )x 1.5 (APC-C Conversion Rate )=53.25mm