With Sea & Sea's 30123 Extension Ring 20L, you can increase the length of certain underwater lens ports to allow for the use of select Canon, Nikon, and Sony lenses with your camera housings. The ring is made of a durable, corrosion-resistant aluminum alloy with an alumite coating. Additionally, it has a port lock lever for extra security.
Compatibility
- Canon:
- EF-S 60mm f/2.8 Macro USM + Kenko Teleplus HD 1.4X DGX
- EF 100mm f/2.8L Macro IS USM + Kenko Teleplus HD 1.4X DGX
- EF 14mm f/2.8L II USM
- EF 24mm f/1.4L Ⅱ USM
- EF-S 10-18mmf/4.5-5.6 IS STM
- EF 16-35mm f/2.8L II USM
- EF 16-35mm f/4L IS USM
- EF 17-40mm f/4L USM ＋ M77 Internal Correction Lens
- Nikon:
- AF-S DX Zoom-NIKKOR ED 12-24mm f/4G (IF)
- AF-S NIKKOR 18-35mm f/3.5-4.5G ED
- AF-S DX NIKKOR 10-24mm f/3.5-4.5G ED
- Ai AF Nikkor ED 14mm f/2.8D
- AF-S 18-35mm f/3.5-4.5G ED ＋ M77 Internal Correction Lens
- Sigma:
- 10mm f/2.8 EX DC FISHEYE HSM
- 10-20mm f/4-5.6 EX DC/ HSM
- 17-70mm f/2.8-4 DC MACRO OS HSM
- Tokina:
- AT-X 107 DX Fisheye 10-17mm f/3.5-4.5
UPC: 752221301236