
Depth rating:
137m.
Weight: 0.57Kg. |
Vacuum-sealed, nitrogen-filled, all glass optic with high-efficiency
broad-band anti-reflection (HEBBAR) coatings.
Exceeds resolution of HDTV cameras. Free from flare, vignetting
and black-spot reflections.
Focuses in air. Suitable for half-in half-out.
Geometric distortion (typical): <3% (air), <1.8% (water).
FOV (typical): 90° (air), 80° (water).
Minimum object distance: 0 (air or water).
Little or no zoom
capability.
Front element
can be damaged by contact with hard or abrasive materials. Glass
is NOT field replaceable. |