It is for underwater use only. It provides a panoramic 96 degrees of coverage and exceptional depth of field. Compatible with all Nikonos IV and V TTL functins. Body of rustproof hard almite aluminum for underwater use only. The 3 all glass optical elements are constructed in 3 groups and are contained in a rustproof aluminum hard Almite housing.
Oversized eyepiece allows for full-frame viewing even with a face mask.
Features double-lock mechanism to securely mount finder to camera. This viewfinder has built-in masks for the 15mm, 20mm and 35mm lenses. It is for underwater use only. Capable of automatic TTL exposures with the Nikonos IV and V. Body of noncorrosive hardened aluminum. For underwater use only.