This seamless follow focus gear is machined of high quality aluminium alloy.

It fits the ZOOM ring of the Angenieux 20-240mm zoom lens.

The gear is installed over the original focus ring and secured with set screws. Takes just about 1 minute. No need to disassemble a lens.

Dimensions:

• Inner diameter - two steps of 61, 64 mm
• Outer diameter - 73.6 mm
• Thickness - 14 mm.
• Mod - 0.8 mm (pitch 32).