1、T05 Large Aperture: Stepless aperture design, equipped with imprint slide mode, to ensure silk transition of video screen exposure, T05 aperture, can maintain high image quality in low light and low illumination environments. 2、270° Ultra Long Focusing Stroke: Stepless focusing gear design, ultra long 270° focusing stroke, can be adapted to various follow focus devices, can focus accurately during the shooting process, and make the focus movement more delicate. 3、Soft Bokeh and Vivid Picture: Maximum T05, minimum T16 aperture, 13 aperture blades, easy to obtain soft bokeh, making the picture more vivid and not stiff. Compatible with RP R6 R5 and other for EOSR mount cameras. 4、Low Breathing Effect and Manual Lens: By improving the lens structure design, the cinema lens has a good control of the breathing effect, which can reduce the focus shift when shooting. 5、Changing Lenses Takes Just Ten Seconds: The size, length and diameter of the Vision series film heads are almost the same, and the positions of the focus ring and aperture ring are the same. It is guaranteed that when using this series of cinema lenses, the accessories do not need to be reinstalled, and the stabilizer does not need too much balance adjustment. 6、Metal Material and Manual Lens: The strong all 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 the camera settings to turn on the shutter release without lens feature. 1 x Lens1 x Front Lens Cap (Installed) 1 x Rear Lens Cap (Installed) 1 x Manual6 x Screw Item Type: 50mm T 1.05 Manual Focus Cinema LensMaterial: Metal, Optical GlassColor: As Pictures ShownWeight: Approx. 1.185kg / 2.6lbLens Support Mount: for EOSR MountFormat: APS CAperture Blades: 13 PiecesFilter Size: Approx. 82mm / 3.2inFocal Length: Approx. 50mm / 2.0inAperture: T 1.05-T16Lens Structure: 7 Elements in 5 GroupsField of View: 31.8°The Closest Focusing Distance: Approx. 0.5m / 19.7inAperture Ring: Stepless ApertureLens Stabilization: Without StabilizationFocus Method: Manual FocusApplication: Compatible for RP R6 R5 and Other Cameras