520 Foresight iris M.18
520 Foresight iris M.18
- Infinitely adjustable
- Ring thickness of the iris: 1.5mm
- Horizontal level bars
- Adjustable
- 520A adjustable from 2.4 - 4.4mm
- 520B adjustable from 4.0 - 6.0mm
- 520C adjustable from 2.9 - 4.9mm