Metabones Canon EF to Micro FourThird T Speed Booster ULTRA

Canon EF Lens to Micro Four Thirds T Speed Booster ULTRA 0.71x

Optical Features:

• Increase maximum aperture by 1 stop
• Increase MTF of any lens attached
• Makes lens 0.71x wider
• Patented 5-element/4-group optical design incorporating ultra-high index tanatalum-based optical glass by Caldwell Photographic in the USA
• Supports 16:9 video with DX lenses.

Electronic Features:

• Autofocus
• Can be powered either by camera body or by third-party external 5V power source (not included)
• Iris/aperture controlled by the camera body
• Image stabilization (IS) lens support
• Electronic manual focusing (e.g. EF 85/1.2L II and discontinued EF 50/1.0L)
• EXIF (focal length, aperture, zoom range)
• Distance and zoom display on camcorders (requires lenses supporting distance information)

Other Features:

• Detachable tripod foot compatible with Arca Swiss, Markins and Photo Clam ball heads.
• Flocking material coating to reduce internal reflection.
• Compatible with all MFT mount cameras, including GH4, OM-D, Blackmagic Cinema Camera, Blackmagic Pocket Cinema Camera and JVC GY-LS300