



Flocking to reduce internal reflection.With most lenses, no external power source required. Cinema EOS lens support (CN-E 18-80mm T4.4 L), including AF (requires external 5V power via micro USB port), auto iris and servo zoom.Smooth iris support with the latest Canon (2009+), Tamron (SP series 2013+) and Sigma (2016+) lens models.Lens iris/aperture is set by the controls on the camera body.Patented 6-element/4-group optical design by Caldwell Photographic in the USA.(with a maximum output aperture of f/0.9). Canon EF mount lens to Blackmagic Design cameras with M43 mount, specific for BMPCC4K.
