Feature: 1. Compatible Models: This cine lens is compatible for Sigma FP FP L, for S1 S1R S1H S5, for Leica SL SL1 SL2 camera models, please confirm the model before use. 2. Nearly No Breathing: This lens can control the breathing effect when focusing, stabilizing the image even when refocusing is blurred. 3. T2.0 Large Aperture: Spectrum series provides a maximum T2.0, minimum T16 constant aperture, the amount of light entering is always constant, shooting bright pictures in low light environments, 12 aperture blades to create a soft beauty with bokeh and natural focus transitions, the picture is vivid and not stiff. 4. 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. 5. 270 Degrees Focusing Stroke: Stepless focusing gear design, 270 degrees focusing stroke, more precise and finer, and can be adapted to various follow focus devices to ensure the precise focus and focus movement of the shooting process is more delicate, which meets the requirements of professionals for focusing performance. 6. More Convenient Operation: The whole series has a unified 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: Cine Lens Material: Metal, Optical Glass Gross Weight: 1215g / 42.9oz Lens Support Mount: L Frame: Full frame Aperture Blades: 12 Filter Size: Approx.82mm / 3.2in Focal Length: Approx.50mm / 2.0in Aperture: T2.0-T16 Lens Structure: 5 groups 6 pieces View Field Angle: 46 degrees Closest Focus Distance: 0.48m Aperture Ring: stepless aperture Lens Anti Shake: Without Anti Shake Focus Mode: manual focus Compatible: for Sigma FP FPL, for S1 S1R S1H S5, for Leica SL SL1 SL2 L mount camera . Package List: 1 x Lens1 x Front Lens Cover(Attached) 1 x Rear Lens Cover(Attached) 1 x Instruction Manual6 x Screw