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Thread: tamron 17-50mm f/2.8 vs sigma 18-50mm f/2.8

  1. #1

    Default tamron 17-50mm f/2.8 vs sigma 18-50mm f/2.8

    hi, i deciding on which of the above lens to buy. any comments?

  2. #2

    Default Re: tamron 17-50mm f/2.8 vs sigma 18-50mm f/2.8

    Check out this review:

    http://www.the-digital-picture.com/R...ns-Review.aspx

    The reviewer seems to like the Tamron better.

  3. #3
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    Default Re: tamron 17-50mm f/2.8 vs sigma 18-50mm f/2.8

    Quote Originally Posted by danster View Post
    Check out this review:

    http://www.the-digital-picture.com/R...ns-Review.aspx

    The reviewer seems to like the Tamron better.
    According to the review:

    "The differences? The Sigma is less resistant to flare. The Sigma shows more CA. The Tamron is noticeably wider (17mm vs. 18mm - and even wider than the Canon with the same 17mm designation). The Tamron focuses faster, the Sigma focuses more quietly. The Tamron focuses much more accurately - My keeper rate is far higher with the Tamron. My Sigma has a weak left side - For sharpness, the Tamron beats the Sigma easily on the left side, but the Sigma is slightly better on the right. The Sigma rings rotate the Canon direction, the Tamron rings rotate the opposite direction. The Sigma is less expensive (but not by much). The Sigma's requires its lens hood to be removed to install/remove the lens cap - this is a pain - Plan to buy the Tamron cap if you purchase the Sigma lens."

    The Sigma used in this comparison is the older model. Hope they can do another review of the latest Sigma 18-50 Macro.

  4. #4
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    Default Re: tamron 17-50mm f/2.8 vs sigma 18-50mm f/2.8

    If u r in no hurry to buy, wait for the Tokina 16-50mm.

  5. #5

    Default Re: tamron 17-50mm f/2.8 vs sigma 18-50mm f/2.8

    Quote Originally Posted by hazta View Post
    If u r in no hurry to buy, wait for the Tokina 16-50mm.
    yea the extra 2mm advantage would be pretty good

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