Metabones Canon EF Lens to Micro Four Thirds XL 0.64x Speed Booster type-tripods-video-heads Power cables

Power cables

Attaches quickly & securely

YKK® zippers

18 mm flange-back distance

Metabones Canon EF Lens to Micro Four Thirds XL 0.64x Speed Booster type-tripods-video-heads Power cablesOptical Increase maximum aperture by 11 3 stop Increase MTF Makes lens 0. 64x wider Patented 6 element 4 group optical design by Caldwell Photographic in the USA Supports 4k video mode with DX lenses (except on GH5). Electronic 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 Smooth iris support with the latest Canon (2009+), Tamron (SP series 2013+)