522-22 Foresight iris M.22

Infinitely adjustable
Ring thickness of the iris: 1.5mm
Horizontal level bars
- 522-22A adjustable from 2.4 - 4.4mm
- 522-22B adjustable from 4.0 - 6.0mm
- 522-22C adjustable from 2.9 - 4.9mm
Also available in special size
- 522-22D adjustable from 5.0 - 7.5mm
- 522-22E adjustable from 7.0 - 9.0mm