This is a Leotax Model K, a 35mm rangefinder camera made by Shōwa Kōgaku Seiki K.K. between 1955 and 1958.  The Model K was the economy model in the Leotax series, sold with a slower f/3.5 Topcor lens and omitting all slow speeds and the top 1/1000 shutter speed found … Continue reading Leotax Model K (1955)