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Thread: Debating on the EF-S 17-55 f/2.8

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  1. 11-21-2012, 08:16 PM #5
    Steph
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    Quote Originally Posted by Photog82 View Post
    Are you saying that at the wider end of the lens there isn't much background separation at 2.8?
    With your subject at 150 cm and f/2.8
    @ 55mm, the DOF behind the subject is +/- 4 cm
    @ 17mm, it's +/- 57 cm so, yes, there is less separation.

    Play a bit with DOFMaster, you'll see.
    Last edited by Steph; 11-21-2012 at 08:21 PM.
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