Various rings utilizing C-mount standard. Attaches to C-mount devices to extend functionality.
Connecting ring for connecting two C-mount size female taps.
Outer diameter: Φ1.2 inches (30 mm)
L size: 0.2 inch (4 mm) (0.5 inch (12.0 mm)
Inner Diameter: 0.9 inches (22.0 mm)
Weight: 0.2 oz (5 g).
C-Mount Standards:
Inside diameter 25.4mm (1"), pitch 0.794mm (32 teeth / 1"), flange back 17.526mm ,
Used in security camcorders, CCD, CMOS cameras and other optical equipment for video observation.