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The original of Meyer's famous f/1.8 50mm prime lens which was more common under it's later name Pentacon auto 1.8/50.

  • minimum focus distance 33cms
  • 6 elements in 4 groups (Double-Gauss construction)
  • approx. 250gr. weight
  • 49mm filter thread
  • f/1.8 - f/16
  • six blade iris
  • single coating