Follow Focus Geared Ring for LOMO Foton 37-140mm zoom lens (76-102-10mm)
This geared ring is purposed for LOMO Foton 37-140mm lens, but can be used with other lenses that have same or bit smaller focus ring diameter. Dimensions are:
Inner diameter - 76mm;
Outer diameter - 102mm;
Thickness - 10mm.
Foton lens has same diameter of the focus and zoom rings. So, you can buy two gears if you need to install them on the both rings as pictured.
Three allen screws and corresponding allen key are included into each ring delivery set.
The lens is shown for illustrative purposes only.