Gehmann #5022 Foresight Iris adaptor for M22 Lens, Antiglare tube or Level

Gehmann #5022 Foresight iris adaptors

Our new foresight irises with a small mark between the two limits-of-adjustment (1) accept our thread adaptors
The flat face of the iris can be unscrewed (2) and an adaptor inserted (3) for use of other accessories

5018 (see my other listing)  for M.18 & M.17 irises to fit a lens (4), screen, anti-glare tube (5) or level (6)
5022 for M.22 irises