This is a Nikonos II, an amphibious 35mm camera produced by Nippon Kogaku between 1968 and 1976 for underwater photography.  The Nikonos series was originally designed by a company called La Spirotechnique in France in 1960, and sold as the Calypso-Phot.  The Calypso was conceived by Jacques Cousteau and was … Continue reading Nikonos II (1968)