The electical contacts within the lens mount enables communication with X-series cameras, which allows for correction of distortion and color/brightness shading to prevent vignetting. This communication also enables you to achieve a variety of color expressions when using Film Simulation modes.
T2.9 to T22 aperture with 9 iris blades for attractive bokeh
The 28.5mm diameter image circle covers the 3-perf super 35 format with a 16:9 aspect ratio
Industry standard 0.8 film pitch gears for focus, zoom, and iris control
The gear rings positions for focus, zoom, and iris are located at the same position on both lenses in the MKX series, making switching between the two zooms quick as you don't have to adjust the position of lens accessories
Both lenses in the MKX series have the same weight and length so there is no need to rebalance your camera when you change from one lens to the other
200° focus barrel rotation
No shims are required to adjust the flange focal distance as this lens has a built-in adjustment mechanism