The Cinema 50-135mm T3.0 with PL Mount covers Super 35mm image sensors, does not exhibit focus shift while zooming, and a has constant T3.0 maximum aperture over the entire zoom range. The lens features an all-metal housing optimized for video and digital cinema use and provides manual focus control with an easy-to-read distance scale, and a click-less aperture ring for smooth iris pulls. The focus, aperture, and zoom rings all have standard 0.8 pitch gears for use with follow focus systems.Featuring two aspherical elements and super-low dispersion lens elements complimented with multi-layer coatings, the lens is able to produce images with high contrast and sharpness, while minimizing flare, diffraction, and ghosting. A 9-blade aperture diaphragm yields pleasing focus highlights while further reducing the chance of diffraction at small apertures. The lens has an industry-standard 114mm front diameter for use with professional matte boxes.