Maximum Format Cover
33.54mm Diameter (New Epic S35mm Format)
Two opposing focus scales - metric or footage. Scales marked from infinity to MOD.
Focus Drive Gear
121 teeth 0.8 metric module x 5.0mm wide x 101mm from the image plane.
Two opposing linear T scales - whole and third stops marked.
Iris Drive Gear
119 teeth 0.8 metric module x 2.5mm wide x 85mm from image plane.
M82 x 0.75 (25mm - 135mm)