Feature: 1. T1.05 Large Aperture: Stepless aperture design and print slide mode ensure the video screen exposure transition on the slide. High image quality can be maintained by the T1.05 aperture even in dark and low light environments. 2. 270° Super Long Focusing Stroke: With stepless focusing gear design, Super long 270° focusing stroke can adapt to all kinds of focusing devices and focus accurately in the process, making the focusing movement more delicate. 3. Soft and Beautiful Bokeh to Show Vivid Picture: The lens max aperture is T1.05 and min size is T16. There are 13 aperture leaves, easy to make soft bokeh out of focus, making the picture more vivid and not too stiff. 4. Changing Lenses Only Takes 10 Seconds: The heads in the series are all about the same size,, lengths, diameters, the focus rings and aperture rings are in the same position. This ensures that accessories is no need to be re installed and stabilizers do not have to be greatly balanced when using this range of movie lenses. 5. Protection and Manual Lenses: Strong metal materials ensure that the optical elements in the lens will not be damaged by small scratches and harsh conditions. This is a manual lens, you need to enable M mode in the camera settings to enable the release shutter function without the lens. 6. Low Breathing Effect: By improving the lens structure design, the film lens has a good control of breathing effect, so that the focal length deviation can be reduced. 7. Strong Compatiblity: Metal cinema lens fits for Sony E, for A7S, A7SII, A7R, A7RII, A7RIII, A7III, A9, NEX 3, 3N 5, NEX 5T, NEX 5R, NEX 6 7, A6400, A5000, A5100, A6000, A6100, A6300, A6500, ect. Specification: Item Type: Cinema Lens Product Material: Metal and optical glass Weight: Approx. 1441g / 50.83oz Lens Bayonet: E 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 Sony E, for A7S, A7SII, A7R, A7RII, A7RIII, A7III, A9, NEX 3, 3N 5, NEX 5T, NEX 5R, NEX 6 7, A6400, A5000, A5100, A6000, A6100, A6300, A6500, ect. Package List: 1 x Lens1 x Front Lens Cover (Installed)1 x Rear Lens Cover (Installed)1 x Specification6 x Screw