Nauticam 9' optical glass dome port
This is a serious tool for the Underwater photographer.
The optical glass incorporates both:
Interior and exterior coating and multi anti-reflective coataing applied to interior - and a heat treated coating applied to the exterior yielding.
Gives a light transmission in excess of 99.9% over the majority of the dome surface.
Construction: Hard anodized aluminum alloy shade and body
Recommended depth rating: 60m