N120 250mm Optical Glass Wide Angle Port (Deep Version)
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 250mm optical glass wide angle port is particularly good for DSLR ultra wide angle lenses. This is a depth version with depth rating 100m, normal version is 40m.
One of the largest diameter glass dome port elements available on the market, this port has quickly become a favorite optic in digital cinema, medium format, and full frame dslr circles.
The 18807 (N120) and 16405 (N200) dome ports, with 40m depth rating, will continue to be available in our product line, and are still recommended for diving with recreational limits. The new ports are simply “heavy duty” versions designed to support deeper depths. The original designs are lighter weight and less expensive.
- #90140 (I.D.=108mm, C.S.=3.5mm)
- Depth Rating: 100m
- Port Opening: N120
- Body construction: Anodized aluminium alloy
- Port shade: Aluminium alloy
- Coating: Multi-layer broad band anti-reflective coating inside.
- Radius of Curvature: 160mm
- Port opening diameter: 98mm