18808 230mm optical glass fisheye port

18808 230mm optical glass fisheye port.jpg
18808 230mm optical glass fisheye port.jpg

18808 230mm optical glass fisheye port

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18808 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

Specifications:

  • Body construction: anodized aluminium alloy
  • Port shade: BS/Aluminium alloy
  • Coating:  multi layer braod band anti-reflective coating inside. 
  • Depth rating: 40m
  • Weight: 1.63kg
  • Port mount: N120 
  • Radius of Curvature: 120mm

 Remark: New 230mm glass dome port (P/N: 18812) has modified to use with Canon EF 11-24mm f/4L USM lens and all the other existing extension rings.

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