Feature: 1. T1.05 Large Aperture: The stepless aperture design is equipped with the printing slide mode to ensure silk transition of video screen exposure. The T1.05 aperture can maintain high image quality even in the dark and low lighting environment. 2. 270° Super Long Focusing Stroke: Stepless focusing gear design and super long 270° super long focusing stroke can be adapted to all kinds of focusing device and accurately focus in the process, so that the focus movement is more delicate. 3. Soft and Beautiful Bokeh to Show Vivid Picture: The lens max aperture is T1.05 and min size is T16, and has 13 aperture leaves, which easy to get soft bokeh out of focus, making the picture more vivid and not stiff. 4. Changing Lenses Only Takes 10 Seconds: The series movies have similar head sizes, lengths and diameters, and the focus rings and aperture rings are in the same position. This ensures that accessories do not need to be re installed and stabilizers do not need to be greatly balanced when using this range of movie lenses. 5. Protective and Manual Lens: The strong metal material ensures that the optical elements inside the lens will not be damaged by small scratches and harsh environment. This is a manual lens, you need to enable M mode in camera settings to turn on the release shutter without lens function. 6. Low Breathing Effect: By improving the lens structure design, the film lens has a good control of breathing effect, which can reduce the focal length deviation. 7. Strong Compatiblity: Metal cinema lens fits for BMPCC M4/3 mount, suitable for 4K 6K for ZCAM E2G, for E2 M4, for E2, E2C, and other types of camera. Specification: Item Type: Cine Lens Product Material: Metal and optical glass Weight: Approx. 1433g / 50.55oz Lens Bayonet: M4/3 Painting: APS C Aperture Blade :13 pieces Filter Size: Approx.82mm/3.23in Focal Length: Approx.25 mm/0.98in Aperture: T1.05 - T16 Lens Structure: 9 groups of 11 pieces Viewing Angle: 58.6 ° Closest Focusing Distance :Approx.0.23m/9.06in Aperture Ring: Stepless aperture Camera Stabilization: No stabilization Focusing Mode: Manual focusing Application: For BMPCC M4/3, for 4K 6K, for ZCAM E2G, for E2 M4, for E2, E2C, ect. Package List: 1 x Lens1 x Front Lens Cover (Installed)1 x Rear Lens Cover (Installed)1 x Specification6 x Screw