170mm Fisheye Dome Port for Sea&Sea.
The 170mm size is travel friendly yet maintains the Zen tradition for the finest optical ports available. This multi-coated optical glass dome port offers optical purity, free from chromatic aberration, flare and distortion yielding stunning photographic results.
The interior of the dome element is coated with a magnesium fluoride broadband anti-reflective coating to minimize internal reflections from camera lenses, lettering on cameras, etc. which can be problematic when shooting over/under scenes.
The exterior is treated with a proprietary scratch resistant coating to control lens flare.
This coating yields an amazing 99.7%+ transmissive value for true distortion free images.
Weight: 1.02 kg.
Depth Rating: 90m
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