Follow Focus Gear For LOMO 150mm Lens OKS1-150-1 In TEMP Mount (69-90-14mm)
This gear fits LOMO lenses OKS1-150-1 in Temp mount.
But measure your lenses before purchase to make sure that size is correct (variations are possible).
Inner diameter - three steps of 69/70/80 mm;
Outer diameter -90 mm;
Thickness - 14 mm.
Mod - 0.8 mm (pitch 32).