Max aperture of Canon 18-55 at intermediate focal length

Discussion in 'Digital Photography' started by Michael A. Covington, Oct 23, 2004.

  1. Can someone who has a Canon 18-55/3.5-5.6 lens (the one bundled with the
    Dig. Rebel) answer a quick question for me?

    What is the maximum aperture at 34 mm or so? Is it f/3.5 (limited by lens
    element diameter) or is it something like f/4.5 (if max. aperture is
    linearly related to focal length)?

    Thanks!
     
    Michael A. Covington, Oct 23, 2004
    #1
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  2. Michael A. Covington

    Robert Barr Guest

    At 35mm I'm getting a max aperture of f/4.5.

    Michael A. Covington wrote:
    ?
     
    Robert Barr, Oct 24, 2004
    #2
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  3. Thanks. Sounds like it's a linear relationship.

     
    Michael A. Covington, Oct 24, 2004
    #3
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