N120 230mm Optical Glass Fisheye Port
Nauticam optical glass dome ports are finely grounded to the highest standard of precision and represents the state of the art manufacturing and optical technology. It features in total 4 sizes to cater different lens. And 230mm optical glass wide angle port is particularly good for both DSLR ultra wide angle lenses and fisheye lenses.
- #90140 (I.D.=108mm, C.S.=3.5mm)
- Depth Rating: 100m
- Port Opening: N120
- Body construction: Anodized aluminium alloy
- Port shade: ABS
- Coating: Multi-layer broad band anti-reflective coating inside.
- Radius of Curvature: 120mm
- Port opening diameter: 98mm