collapsible

  1. BrianS

    Leica Showcase Industar-50 Collapsible Mount 50mm F3.5

    This lens is a Tessar formula 50/3.5 in a brass mount with "very shiny Chrome". Performance compares well with the post-war 50/3.5 coated Elmar and coated Zeiss Tessar 5cm F3.5. The I-50 is the third formulation of the 50/3.5 Tessar in the Industar series, it improves on the optics of the...
  2. Colin Clarke

    Leica SUMMICRON COLLAPSIBLE LTM - internal barrel reflection and lenshood

    Hello. A newbie question, in a way ... About a new to me c1952 SUMMICRON LTM 50 2.0 Collapsible. I used it this past weekend on a IIIf with some FP4 and the lens was sharp although low in contrast I found (but predicted when I read up about this lens). I chose not to use any filters or...
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