Feature: 1. Durable and Strong: The use of sturdy all metal and optical glass materials ensures that daily small scratches and harsh environments will not damage the optical components inside the lens. Easy to install and remove, accessories do not need to be re installed, and the stabilizer does not need too much balance adjustment, and it only takes ten seconds to complete the replacement. 2. T1.05 Large Aperture: Stepless aperture design, equipped with imprint slide mode, ensures a stable transition of video image exposure, T1.05 aperture, maintain high image quality even in low light and low illumination environments. 3. Soft Bokeh: Maximum T1.05, minimum T16 aperture, 13 aperture blades, easy to obtain soft bokeh, making the picture more vivid and not stiff. By improving the lens structure design, the cine lens has a good control of the breathing effect, which can reduce the focus shifting when shooting. 4. 270° Focusing Stroke: Stepless focusing gear design, 270° focusing stroke, can be adapted to various follow focus devices, can focus accurately during shooting process, and make focus movement more delicate. 5. Manual Focusing: This is a manual lens and supports manual focus, you need to enable M mode in the camera settings, turn on the Shutter release without lens function. Specification: Item Type: Large Aperture Cine Lens Material: Metal, Optical Glass Weight: Approx. 1470g / 51.8oz Lens Mount: for EOSR Format: APS C Aperture Blade: 13 pieces Filter Size: 82mm / 3.2in Focal Length: 25mm / 1.0in Aperture: T1.05-T16 Lens Structure: 11 Elements in 9 Groups Viewing Angle: 58.6° Latest Focusing Distance :0.23m / 9.1in Aperture Ring: Stepless Aperture Camera Stabilization: No Stabilization Focusing Mode: Manual Focusing Compatible: for RP, R6, R5 Camera . Package List: 1 x Lens1 x Front Lens Cover (Installed)1 x Rear Lens Cover (Installed)1 x Manual6 x Screw