English: The Primotar is the Meyer-Optik, Goerlitz, version of a Zeiss' Tessar camera objective. This Primotar has a modest maxmum aperture of 1:3.5 and a focal length of 50 mm. The "E" indicates that the aperture can be opened beyond 1:3.5 for bright views through the finder. Serian number 1906373, top view.
{{Information |Description={{en|1=cription Meyer Primotar E 3,5-50 snr 1906373 back.JPG English: The Primotar is the Meyer-Optik, Goerlitz, version of a Zeiss' Tessar camera objective. This Primotar has a modest maxmum aperture of 1:3.5 and a focal lengt