EF-M1 is made of metal and come with a USB port for firmware updates and gold-plated electronic contacts.
Supports electronic communication between camera and lens to enable autofocus, image stabilization, on-camera aperture control, and EXIF metadata generation when possible
EF-M1 can control the Aperture from Camera and can realize the aperture controlled high speed auto-focus, greatly convenient for users who need transfer lens for their photography.
Firmware can be upgraded .with better compatibility, can be compatible with all Canon EF/EF-S lens, to adapt to a wider range.
compatible with your camera and lens. Anti-shake function, gold-plating contacts, excellent transmitting effect, with detachable 1/4'' tripod adapter provides support for longer Canon lenses.

Technical Details

Product Details

Package Dimensions
Width : 4.02 inch
Height : 2.68 inch
Length : 4.72 inch

Shipping Weight: 9.6 ounce (View shipping rates and policies)

ASIN : B075XJYL4G