Contax 137 MA

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The Contax 137 MA Quartz is essentially a Contax 137 MD, but with a few significant additional features.

  • Shutter speeds can be preferentially selected from the range of 1 sec to 1/000th sec (plus B).
  • The motor drive was upgraded from 2 frames per second to 3 - for continuous shooting.
  • The back is removable, and can be replaced with a Contax Quartz D-5 Data Back.

In normal operation (auto aperture priority exposure), the shutter speed ring is set to A (auto). When a preferred shutter speed is manually selected, this speed is shown by a flashing light in a bank of viewfinder LEDs, while the meter recommended speed for the set aperture is lit continuously (not flashing). Thus, correctly changing the aperture will bring the meter reading into agreement with the user selected shutter speed, leading to a match-the-light shutter speed priority system.

In common with all Contax SLRs, the shutter speed dial isn't in the usual place: it's at the base of the rewind knob.

Of course full manual override is also available, and the meter recommendation can be ignored.