Commlite EF-EOSM Booster 0.71x Focal Length Booster

Features:
USB Firmware Upgrading: Built-in USB Firmware upgrading port, it supports USB firmware upgrading, and EF-EOSM Booster's function or bugs can be improved through subsequent upgrade.
0.71x Focal Reducer Booster: Increase the aperture reduce the lens of focal length.
EXIF Info. Transmitting: Metal PIN can realize EXIF information transmission; Metal electronic contacts, greatly enhance its conductivity to effectively transport EXIF info.
Support Auto Focus Function: Stable, fast, smooth autofocus performance. Able to capture the fleeting beautiful moments.
Electronic Aperture Control: Support electronic aperture control, you can adjust aperture of EF Lens by control M4/3 camera body.
Built-in IS Stabilization Function: Support IS lens Stabilization Function. Whether it's shooting the movement scene or shooting in a weak light environment, the pictures can be clear as usual.
Gold-plated Contact Pins for Great Conductivity: Copper gold-plated contacts with great conductivity enhance the EXIF info. Transmission between lens and camera body.
Professional Absorb-Light Processing: The rotary absorb-light of the inner wall, the efficient absorption of reflected light; Inside spiral design, with the sublight grinding sand, it can reduce the inner light reflection, let your work more professional.
1/4 Bottom Tripod Base Plate; CNC Processing with Aluminum Alloy Made.