Focal Length: 50mm.

Aperture Range: T2.1 to T22.

Lens Mount: Native ARRI PL; includes user-interchangeable Canon EF mount adapter.

Image Coverage: Full-Frame and Vista Vision (46.5mm image circle).

Optical Construction: 9 elements in 7 groups.

Iris Blades: 16 blades (provides a circular, smooth bokeh).

Minimum Focus Distance: 1.2 feet (0.37m) from the sensor plane.

Focus Ring Rotation: 270°.

Iris Ring Rotation: 58°.

Front Diameter: 80mm (compatible with standard matte boxes).

Filter Thread: 77mm.

Gear Pitch: Standard 0.8 MOD for both focus and iris rings.

Rear Filter Support: Magnetically attached rear filter holder included for optional ND filters.

Weight: Approximately 1.6 lbs (732g).

Dimensions: Length of 3.4 inches (87mm).

Focus Breathing: Designed for minimal breathing during focus pulls.