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Thread: Un-mounting lens while stopped down

  1. #1

    Join Date
    Jan 2009
    Quebec, Canada

    Un-mounting lens while stopped down


    I'll be working on a film set this weekend and we'll be using SLR lenses on our camcorders.

    The problem with EOS lenses is that the aperture is only controllable electronically;
    so in order to use the lenses at smaller aperture, I will have to set the aperture on the camera, press the 'Preview DOF' button and detach the lens to keep it stopped down.

    I'm only wondering if this practice could be harmful to the lenses in any way.


  2. #2

    Join Date
    Dec 2008
    New Zealand
    Real Name
    Have a guess :)

    Re: Un-mounting lens while stopped down

    It'll be just fine

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