522 Foresight iris M.18
522 Foresight iris M.18
- Infinitely adjustable
- Ring thickness of the iris: 1.5mm
- Ring only
- 522A adjustable from 2.4 - 4.4mm
- 522B adjustable from 4.0 - 6.0mm
- 522C adjustable from 2.9 - 4.9mm
- 522D adjustable from 5.0 - 7.5mm