Build-in electronics to control lens aperture.
The lens aperture is set by the controls on the MFT camera/camcorder body e.g. GH4.
Powered by camera body. no external power source required. (also accept 3rd party external power supply via MicroUSB socket)
High performance 32-bit processor and efficient switched-mode power supply.
The tripod foot is detachable and compatible with Arca Swiss, Markins and Photo Clam ball heads.
Image stabilization (IS) lenses
Electronic manual focusing (e.g. EF 85/1.2L II and discontinued EF 50/1.0L)
EXIF (focal length, aperture, zoom range)
Contax N mount lenses modified to Canon EF by Conurus (see note 1)
Contax 645 NAM-1 adapter modified to Canon EF by Conurus (see note 1)
Sigma, Tamron and Tokina lenses in Canon EF mount (see note 1)
External 5 Volt power supply (see note 4)
Lens correction such as peripheral shading, CA and distortion
Focus confirmation "chip" (e.g. Dandelion)
M42 screw mount adapters (see note 2)
Stacking non-Metabones/non-Conurus mount adapters on top (see note 3 and list of lenses which require modification below.)
Lens: Tamron SP 17-50mm F/2.8 XR Di II VC