The Cinema 50-135mm T3.0 with EF 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.
Constant maximum aperture T3.0 zoom lens
Parfocal lens design prevents focus shift as you change your zoom
Covers Super 35 sized sensors
4K image sharpness
Rugged all-metal lens housing
0.8 pitch geared focus, aperture, and zoom rings
LDS (Lens Data System) support
9-blade aperture diaphragm
Industry-standard 114mm front diameter for use with matte boxes
112mm filter diameter
Minimum focus distance of 39.4"