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Thread: Compur Vs. Copal and Proctor Shutters

  1. #1

    Compur Vs. Copal and Proctor Shutters

    When dealing with #3 shutters is there any difference in the smoothness and quie tness of the release between Compur, Copal and Proctor shutters? Is the compur less likely to shake as it releases? I understand from people that have used #3 shutters on long lenses that the Copal 3 releases with quite a klunck causing vi bration. The weight of some lenses mounted on #3 shutters, as for example 300 a nd beyond Symmars or Sironars should help dampen shutter-caused vibration, howev er my concern is with lighter lenses such as Apo Ronar 360, which relative to th e shutter are lighter than their sironars or Symmar counterparts. Compurs are m uch more expensive. Aside from their other advantages such as 1/3 stops and dura bility, are they worth the money as relates to vibration? One informat says Comp urs are quieter and soother.

  2. #2

    Compur Vs. Copal and Proctor Shutters

    It depends on the age of the Compurs. I've used old Compurs of 1950-70s vintage which were very sweet in operation, but the layout of the controls was very unergonomic. I have one modern Compur 0 shutter fitted to a 90mm Grandagon-N, which is very clunky, and quite frankly I prefer the Copal shutters for operation, accuracy, and reliability.

    If it's anything to go by, Linhof were very quick to adopt Copal shutters for their badged lenses.

  3. #3

    Compur Vs. Copal and Proctor Shutters

    Proctor shutters are of course designed exclusively for use with the Proctoscope

  4. #4

    Compur Vs. Copal and Proctor Shutters

    Get out of here, pronto, Sean!

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