In photography, a single-lens reflex camera is a type of camera that uses a mirror and prism system to allow photographers to view through the lens and see exactly what will be captured. SLRs became t
The Zeiss Ikon VEB Contax S, manufactured in Dresden, one of the two original pentaprism SLRs for eye-level viewing that went into production in 1949. The Italian Rectaflex offered its first production SLR, the series 1000, the same year.