Cirkut Camera Gear Calculator

Large Gear Radius (in)

Film Drum Dia (in)

Sm Gear to Lens Axis (in)

Sm Gear to Film Plane (in)

Slit Width (in)

Gear Pitch (teeth/in)

Bellows Length (in)

Defaults match F&S Cirkut No. 10 (#148999). Edit only if your camera differs from this specification.