Sigma EX 105 Macro Lense for D-SLR problem

Discussion in 'Digital SLR' started by shhe33, Jan 24, 2007.

  1. shhe33

    shhe33 Guest

    Hi ,
    I Needed a good macro lense. After looking at some magazine reviews, I
    bought Sigma EX 105 DG /F2.8 Macro
    It might be some error in my lense or all the reviews and pointing
    system is just commercial rubbish (this lense got 9 out of 10 points)
    Almost all my pictures are very soft in the corners of the pisture
    while in the middle is very good and sharp. I tried with different F
    scale and deffrent focus metering systems but still with same results.
    Does anyone else experiencing same problem?

    /Cheers
     
    shhe33, Jan 24, 2007
    #1
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  2. shhe33

    tomm42 Guest

    Take it back to where you bought it and exchange it. Every lens has
    manufacturing variances, less so, it seems, with macro lenses, but they
    are not immune. Also most lenses are not as sharp in the corners as the
    center, again less so with macros, and unless you are using a 35mm
    frame camera the should be fairly uniform. I'd just take the lens back
    tell your dealer it is defective. Once took my studio 3 tries to get an
    acceptable 24-70 zoom.

    Tom
     
    tomm42, Jan 24, 2007
    #2
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  3. I've had one a few years now. I'm mostly using it for flowers and such
    -- where the corners are mostly way out of focus. But come to think of
    it I did use it for doing page images of two books, and I didn't notice
    any serious problem with corner sharpness with mine.
     
    David Dyer-Bennet, Jan 24, 2007
    #3
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