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Thread: Sigma 10-20mm 3.5 DC HSM

  1. 1st July 2010, 08:36 PM #31
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    dullbird
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    when my lens is at its widest I get a dark patch in the top left hand corner of the picture taken I notice it the other day...it was a bright sunny day, and I had the lens hood on could this be the reason? was it picking up a bit of dark from the lens hood because the lens is so wide?
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  2. 1st July 2010, 08:53 PM #32
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    Quote Originally Posted by dullbird View Post
    when my lens is at its widest I get a dark patch in the top left hand corner of the picture taken I notice it the other day...it was a bright sunny day, and I had the lens hood on could this be the reason? was it picking up a bit of dark from the lens hood because the lens is so wide?
    Like this one from today with the Tokina 12-24 @ 12mm ?
    Yes, I thing that it is the hood when it is not locked properly

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  3. 1st July 2010, 09:00 PM #33
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    yes just like that...
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  4. 2nd July 2010, 06:09 AM #34
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    Vignetting - actually at times this cannot be avoided with wide angle, but if it occurs on one corner only chances its just the lens hood not in place properly as Chucaro says.
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  5. 2nd July 2010, 08:29 AM #35
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    Can also be the focus ring and can go away at different focus positions or aperture settings on some lenses... But agree.. more than likly the hood.
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