Feature: 1. T2.0 Large Aperture: Provides a constant aperture of maximum T2.0 and minimum T16, the light input is always constant, and the 10 aperture blades create a soft bokeh and natural focus transition for shooting bright pictures in low light environments. The picture is vivid and not stiff. 2. 270 Degree Ultra Long Focusing Stroke: Stepless focusing gear design, 270 degree focusing stroke, can be adapted to various follow focus devices, can focus accurately during shooting process, and make focus movement more delicate. 3. Compatible Cameras: Suitable for Sony E mount cameras, such for FX3 A7S A7S2 A7S3 A7M2 A7M3 A7M4 A1 A7 A9 A9II A7R A7R2 A7R3 A7R4 A7RIV A7C A6400 ZVE 10 etc. 4. Low Breathing Effect: The breathing effect produced when focusing can be controlled, and the image picture can be stabilized even when the blurring occurs when refocusing. 5. Unified Color Balance: The entire series of lenses have a unified color balance, which reduces the stress of post processing after changing lenses or switching between different materials. It has a uniform gear position and front lens diameter, and there is no need to adjust the position and other accessories after changing the lens. Specification: Item Type: Camera Lens Material: Metal, Optical Glass Gross Weight: 1348g / 47.5oz Lens Support Mount: for E Mount Format: Full frame Aperture Blades: 10Pcs Filter Size: 82mm / 3.2in Focal Length: 85mm / 3.3in Aperture: T2.0 to T16 Lens Structure: 9 Elements in 8 Groups Field of View: 28.4° Closest Focusing Distance: 0.79m / 31.1in Aperture Ring: Stepless Aperture Lens Stabilization: Without Anti Shake Focus Method: Manual Focus Compatible For Sony E Mount Cameras: For FX3 A7S A7S2 A7S3 A7M2 A7M3 A7M4 A1 A7 A9 A9II A7R A7R2 A7R3 A7R4 A7RIV A7C A6400 ZVE 10 etc.​. Package List: 1 x Lens1 x Front Lens Cover (Installed)1 x Rear Lens Cover (Installed)1 x Manual6 x Screw