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Message: <blockquote data-quote="J-see" data-source="post: 432919" data-attributes="member: 31330">Fast lenses have nothing to do with the aperture you set. They're fast because they always AF at their effective aperture. My f/2.8 will always focus at f/2.8 even when I set the aperture to f/32.When you attach a lens, it is wide open and will not close down to the selected aperture until you take the shot or push the Pv button to check DoF.There aren't many that go from the very short to the medium range but you might want to check out the 70-200mm f/2.8 lenses. They're not the cheapest but very, very good.</blockquote>