Cooke Optics mini S4/i Prime 25mm T2.8 PL Mount Lens - Specification:
Focal Length: 25mm
T-Stop Range: T2.8-T22
Angular Rotation of Iris Scale: 77 degrees
Min. Marked Object Distance: 250mm
Close Focus from Lens Front: 80mm
Angular Rotation to MOD Endstop: 300 degrees
Max. Diagonal Angle of View for Super 35 Format: 80 degrees
Length from Front of Lens to Lens Mount: 106mm
Max Front Diameter: 87mm
Total Weight: 1.4 kg
Maximum Format Cover: 33.54mm Diameter (New Epic S35mm Format)
Focus Scales: Two opposing focus scales - metric or footage. Scales marked from infinity to MOD.
Focus Drive Gear: 121 teeth 0.8 metric module x 5.0 wide x 104 from the image plane.
Iris Scales: Two opposing linear T scales - whole and third stops marked.
Iris Drive Gear: 119 teeth 0.8 metric module x 2.5 wide x 84 from image plane.
Cooke miniS4/i Prime 25mm T2.8 Lens