Original 1932 Contax with early 50mm Sonnar lens and turret finderOriginal 1932 Contax with early Zeiss 135mm lensContax II introduced 1936 – Special closeup attachmentContax III – A Contax II with built in light meterContax II and Contax IIIContax II with 135mm Sonnar Lens and turret finder.All the Contax rangefinder models with an early Contax SLRSoviet forgery of a Contax II with fake Sonnar lens