17-40mm vs. 70-200mm sharpness

Discussion in 'Photography Equipment & Products' started by vd853, Sep 7, 2009.

  1. vd853

    vd853 TPF Noob!

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    I'm thinking of getting rid of my 70-200mm f4l IS for a 17-40mm, because focal is just too long for me. But, I heard that the 70-200mm is sharper, but how much sharper can it be compared to the 17-40mm, which is also a L lens? Appreciate any photo comparisons between these two lens.
     
  2. KmH

    KmH Helping photographers learn to fish Supporting Member

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    Sharpness has a ton to do with technique.

    • If a lens is mounted on a tripod
    • with the aperture set to it's sweet spot
    • and the shutter is released with a remote trigger
    and is then compared to an image
    • made handheld
    • with a wide open or fully stopped down aperture
    • at either extreme of the lenses focal length
    • with a manually released shutter
    the comparison can't be valid.

    The 17-40 mm isn't even in the same focal length range as the 70-200.

    I'd recommend renting the 17-40mm and making your own tests.
     
  3. harleyrider

    harleyrider TPF Noob!

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    save you money and just by it then you will have a good wide lens and a good long one that you already have.
     
    Last edited: Sep 7, 2009
  4. KmH

    KmH Helping photographers learn to fish Supporting Member

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    Well said harleyrider, I was thinking along those lines too.
     
  5. inTempus

    inTempus TPF Noob!

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    Yup, I wouldn't trade a 70-200 for a 17-40. I have both, and I need both. Life without the 70-200 isn't life at all. :)

    As for the sharpness of the 17-40, it can hold its own. I love my 17-40 and will never part with it. Here's a shot I took a couple weekends ago.

    [​IMG]
     
  6. CxThree

    CxThree TPF Noob!

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    Depending on your situation, you may want to consider the 70-200 F4L. It's smaller and lighter and may very well be the sharpest lens I have ever used. If you need IS, go for it. I have the IS 2.8 also. If you don't have to have IS, save hte money and use the non IS F4.
     
  7. ruaslacker2

    ruaslacker2 TPF Noob!

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    I too say keep the 70-200 and get the 17-40. You'll have a decent range covered. I have the f4 non IS and the 17-40, love both....
     
  8. CxThree

    CxThree TPF Noob!

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    Wow. I really should not reply to threads while watching football. SOrry. I totally missed the point that you already had a 70-200.

    In that case, no way I would give up that lens for a 17-40.
     

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