Nominal Focal Length 3.5mm
Relative Aperture f/1.8 (T1.9)
T Scale Range T2 to T16 & fully closed
Image Size 11.0 mm diameter
Iris Movement (T2.0 to T16) 75°
Light Transmission 90% nominal
Angles of view for 16×9 format Vertical (5.393mm) 90° Horizontal (9.587mm) 170° Diagonal (11.0 mm) 210°
Focus Range 1.0m to Infinity
Focus Movement 85°
Mounts Available “B4”
Filter Provision One or two fixed 40.5mm or one rotatable 40.5mm
Weight 2.1kg
Length 195mm to mount
Maximum Width 130mm