Canon EF Lens to Micro 4/3 Panasonic Mount cameras like GH4, GH5
Full-Frame EF Lens to Micro 4/3 Camera Body
Supports In-Camera Aperture Control
Metabones Speed booster
0.64x Micro 4/3 Crop Factor Compensation
1.3-Stop Increase in Lens Apertures
6 Optical Elements in 4 Groups
Locking Mechanism to Secure Lens
Push-Button Lens Release
Brass Mounting Rings
Detachable Tripod Foot