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Produced by	Model	Year	Innovative characteristic	Picture
Ihagee	Exakta Varex	1950	1° with interchangeble pentaprism finder
Pignons	Alpa 4, 5, 6	1952	1° with chassis in aluminum-alloy pressofusion
Veb Pentacon	Contax E	1953	1° with built-in but uncoupled selenium cell meter
Zeiss Ikon	Contaflex 1	1953	1° leaf-shutter 135 SLR
Seroa	Mecaflex	1953	1° and only 24x24 reflex using normal cartridge 135, with interchangeble lenses
Asahi Pentax	Asahiflex IIB	1954	1° japanese instant return mirror connected to shutter release
Ihagee	Exakta Varex VX	1954	1° with semi-automatic stop-down lens aperture and diaphragm preselection externally activated
Tokiwa	Firstflex 35	1954	1° 135 reflex leaf- shutter with interchangeble lenses
Veb Pentacon	Praktina FX	1955	1° with spring winder
Miranda	Miranda T	1955	1° Japanese SLR camera to use a pentaprism. The Miranda Orion is one of the rarest of 35mm SLRs, and one of the most historically significant.
Braun	Paxette Reflex	1955	1° match-needle exposure control on a leaf shutter SLR
Zeiss Ikon	Contarex 1	1958	1 with incorporate meter coupled with diaphragms
Zunow	Zunow	1958	1° automatic Stop Down, with instant return mirror
Voigtlander	Bessamatic	1959	1° reflex with interchangeble lenses to use a zoom (Zoomar 36-82:2,8)
OPL-Foca	Focaflex	1959	1° with semi-transparent fixed mirror
Nippon Kogaku	Nikon F	1959	1° with battered power motor and perspective control 35mm lens