Electronic aperture, EXIF, image stabilization 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. Flocking material coating inside the inner hole to reduce the internal reflection. Supported Not supported ; EF lenses 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) ; Autofocus 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 ;
