FLEX Seamless Flexible Follow Focus Gear for DSLR/Cine Lenses [66mm]

I used 1 gear on the focus ring of the Canon EF 50mm F1.8 Mark I lens, and the other gear on focus ring of the Canon EF 15mm F2.8 Fisheye lens. Functions flawlessly.

2 available. Price is for 1.

Below is some more information:
  • The gears are designed for lenses diameter from 42mm to 92mm (92mm gear can be attached up to 95mm diameter)
  • Separate gear made for each diameter of 1 mm increments!
  • The gears are made of rigid polyurethane, that stretches a little bit, when you put the gear on.
  • The correct form of the teeth module 0.8.
  • The width of the gears is 8mm
How to choose a correct size?

The best way to measure is to use calipers. If you haven't got one, you can buy the cheapest plastic calipers for less than 1 USD. It will ease measurement process very much. More expensive tools have electronic scale for the sake of convenience.

Putting the gear on needs some effort. Be careful especially with plastic autofocus lenses! Put the gear on gradually, carefully moving it upon the lens. If for some reason this is not possible, you may be using the wrong size.

Free Shipping and Best Offer will be accepted.

Please let me know if you have any questions or concerns.

Thank you.

- Paul