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Thread: Apature

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  1. #20
    Join Date
    Jul 2005
    Location
    Sydney, Australia
    Posts
    4,428
    Quote Originally Posted by Razr View Post
    (SNIP)
    You will note that not one blurb here (or anyplace else) mentions any foolishness about the aperture “Changing” due to this or that permutation or action like zooming. (SNIP)
    Foolishness? Those are very basic blurbs that writers assume anyone with a camera (and a suggestion of logic) will realise once they have a camera in their hands. And you don't know they do change? That shows what rubbish photography teacher you are. Please don't teach your kids, if you have any.

    You seem to know something about Av.. that's good. Now for the next lesson go to Lens Specifications Explained

    For your benefit, I quote here right from the bottom line:
    "EF 100-400 F/4.5-5.6L IS USM : An Electronic Focus lens with a telephoto zoom range from 100 to 400mm, with a maximum aperture of f/4.5 at the short (100mm) end and f/5.6 at the long (400mm) end."
    Last edited by tim11; 10-26-2007 at 04:58 AM.
    Nikon D90, D80
    Nikkor 16-85mm AF-S DX F/3.5-5.6G ED VR, Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) macro, Nikkor 50mm F/1.4D, Nikkor 50mm F/1.8D, Nikkor AF-S VR 70-300mm F/4.5-5.6G IF-ED, Sigma 105mm F/2.8 EX DG Macro ||| 2x SB800 | SB600 ||| Manfrotto 190XB

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