Feature: 1. Compatible Models: The camera cine lens is compatible for R, RED, R3, R5, R6, RP and other R bayonet cameras. The accurate size and shape design make the lens fit your camera well. 2. T2.0 Large Aperture: The lens provides a maximum of T2.0, a minimum of T16, and has constant aperture. The amount of incoming light is always constant to shoot a bright picture in a low light environment. 12 pieces aperture blades create a soft scattered scene and natural focus transition, and the picture is vivid and not stiff. 3. 270 Degree Focusing Stroke: The lens adopts a stepless focusing gear design, with 270 degree focusing stroke, which can be adapted to various focusing devices to ensure accurate focusing during shooting, and the focus movement is more delicate, meeting the requirements of professionals for focusing performance. 4. Convenient: The whole series of lenses have a uniform gear position and front lens aperture. After lens replacement, there is no need to adjust the position and other accessories too much. The lens also has a uniform color balance. After lens replacement or switching between different materials, it still has a uniform color to reduce post processing pressure. 5. Stability: The manual focus cine lens can control the breathing effect generated during focusing, and can realize the stability of the image even when the refocusing is blurred. Specification: Item Type: Mount cine lens Material: Metal, optical glass Weight: Approx. 1215g/42.9oz Lens Support Bayonet: R Frame: Full frame Aperture Blades: 12 pieces Lens Size: 82mm/3.2in Focal Length: 50mm/2in Aperture: T2.0-T16 Lens Structure: 5 groups 6 pieces Field Angle: 46° Nearest Focusing Distance: 0.48m/18.9in Aperture Ring: Stepless aperture Lens Anti Shake: Without anti shake Focusing Mode: Manual focusing Compatible: Fit for R, RED, R3, R5, R6, RP and other R bayonet cameras. Package List: 1 x Lens1 x Front Lens Cover(Installed)1 x Rear Lens Cover(Installed)6 x Screw1 x Instructions