N120 230mm Optical Glass Fisheye Port II
Supporting Canon EF 11-24mm f/4 USM Lens
Nauticam optical glass dome ports are finely grounded to the highest standard of precision and represents the state of the art manufactering 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 lens and fisheye lens.
The internal port opening of this port is enlarged for larger diameter lenses like Canon EF 11-24mm f/4 USM.
Port Chart
Compatible lenses:
- NIkon AF-S NIKKOR 16-35mm f/4G ED VR
- Nikon AF DX Fisheye 10.5mm f/2.8G ED
- Sigma 15mm F2.8 EX DG Diagonal Fisheye
- Canon EF 16-35mm f/2.8L II USM
- Canon EF 16-35mm f/2.8L III USM
- Canon EF 16-35mm F4L IS USM
- Sigma 15mm F2.8 EX DG Diagonal Fisheye
- Canon EF-S 10-18mm f/4.5-5.6 IS STM
- Canon EF 11-24mm f/4L USM lens
Remark: Canon EF 11-24mm f/4L USM lens requires to use special extension ring 21271.
Spare O-ring:
- #90140 (I.D.=108mm, C.S.=3.5mm)
Specifications
- Depth Rating: 100m
- Weight: 2.63kg
- 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: 109mm