Ikoflex Ib

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1b with 1:3.5 Novar-Anastigmat Lens image by Hans Kerensky (Image rights)

The "Ikoflex 1b" is a model in a long line of Ikoflexes which started in 1934 and ended in 1960. It was produced by Zeiss Ikon in Germany from 1956 till 1958 as type number 856/16.

It is a medium format TLR for 120 type Rollfilm.

The taking lens is either a Zeiss Tessar or Novar-Anastigmat. Both having an aperture of 1:3.5 and focal length of 75mm and are coated. The viewing lens is a Teronar-Anastigmat with the same aperture and focal length as the taking lens.

The shutter is a Prontor-SVS. A leafshutter with a rim-set speedrange (in steps) from 1 till 1/300 second + B. The shutter has to be manually cocked before every exposure.
It has a V-X-M switch for self-timer (V) and X or M Flash synchronisation.
The diaphragma can be set from 3.5 till 16 with a lever on the side of the shutter.