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Thread: Zoom ring rotation direction

  1. #1

    Default Zoom ring rotation direction

    I notice that canon lenses zoom to a longer focal length by rotating the ring counter-clockwise, & if I'm not mistaken, nikon does it clockwise. Any particular reason why canon or nikon did it this way? What about other brands, like sigma, tamron, tokina...?

    I think the 'conventional' thinking would be clockwise to zoom more. Most prosumer digicams seem to do it this way.

    If u are an SLR user, and if u had a choice between clockwise or counter-clockwise, which would u choose? Doesn't matter if u are already a canon or nikon user... just your personal preference.

  2. #2
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    Default

    There's no right or wrong, all down to personal preference.

    Nikon:
    - Zoom in (increase focal length) = rotate clockwise
    - Zoom out (decrease focal length) = rotate counter clockwise
    - Focus to infinity = rotate clockwise
    - Focus to minimum = rotate counter clockwise
    - Counter clockwise to mount lens, clockwise to unmount

    Canon:
    - Zoom in (increase focal length) = rotate counter clockwise
    - Zoom out (decrease focal length) = rotate clockwise
    - Focus to infinity = rotate counter clockwise
    - Focus to minimum = rotate clockwise
    - Clockwise to mount lens, counter clockwise to unmount


    Tokina : Canon mount lenses follow the Canon convention; Nikon mount ones follow Nikon

    Tamron : Follow Canon

    Sigma : Follow Canon I think.

    Regards
    CK

  3. #3
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    Default Re: Zoom ring rotation direction

    Originally posted by finkster
    I notice that canon lenses zoom to a longer focal length by rotating the ring counter-clockwise, & if I'm not mistaken, nikon does it clockwise. Any particular reason why canon or nikon did it this way? What about other brands, like sigma, tamron, tokina...?

    I think the 'conventional' thinking would be clockwise to zoom more. Most prosumer digicams seem to do it this way.

    If u are an SLR user, and if u had a choice between clockwise or counter-clockwise, which would u choose? Doesn't matter if u are already a canon or nikon user... just your personal preference.
    i think most digicams can do it with software to either way.
    Logging Off. "You have 2,631 messages stored, of a total 400 allowed." don't PM me.

  4. #4
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    Default

    Of course, the 717 does it either way... practice for "future upgrades"...

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