Nauticam 230mm optical glass fisheye dome port II

Nauticam 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 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 for example:

• Nikon AF-S NIKKOR 16-35mm f/4G ED VR
• Nikon AF Fisheye 16mm f/2.8D
• 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 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.

Technical Specifications