This is a Konica Auto S1.6, a 35mm rangefinder camera made by Konishiroku Photo Industries starting in 1967.  The Auto S1.6 is a revised version of the earlier Auto S2 with a slightly faster 7-element f/1.6 lens, an improved shutter, and a flash hot shoe.  It was the final model … Continue reading Konica Auto S1.6 (1967)