IQ comparison: Sigma 70-200 F2.8 VS. Tamron 28-70 F2.8

Discussion in 'Beyond the Basics' started by anubis404, Nov 19, 2008.

  1. anubis404

    anubis404 TPF Noob!

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    Which one of these lenses has higher quality glass, and produce the best images? I'm aware that they have different focal lengths, I was just curious as to which one's image quality is better. The Sigma is $300 more than the Tamron, but its focal lengths are much longer. Your insight is appreciated.
     
  2. djacobox372

    djacobox372 No longer a newbie, moving up!

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    With those brands it probably depends on the individual lens, the $300 difference is because of the focal length--f2.8 telephotos are $$
     
  3. anubis404

    anubis404 TPF Noob!

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    Of course. I was just curious about the quality of the picture produced. Anyone?
     
  4. keith204

    keith204 No longer a newbie, moving up!

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    I owned the Sigma 70-200 f/2.8 and it was very, very sharp. Great lens. Do you really mean the Tamron 28-75 f/2.8? I owned that for a few days - it was very sharp, but terrible AF, and a strange range for a crop body.

    They are not only different lengths as you mentioned, but completely different lenses when it comes to feel, use, and autofocus. I am not sure which was sharper - they were both pretty sharp.
     
  5. maxalmon

    maxalmon TPF Noob!

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    I just got the sigma 70-200 f2.8 today and I'm like a kid in a candy store. The details of the images are incredible, very, very happy with this lens. Feedback from others was important in my making this decision and most everyone rates this as a very good lens
     
  6. Chewbecca

    Chewbecca TPF Noob!

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    My friend has the tamron 28-75mm f2.8.
    She has a D700, though, so like someone already mentioned, I wonder if it's better for her because of the FF.
    Here's some of her shots.
    [​IMG]

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    She says it has SOME macro ability.
     
  7. anubis404

    anubis404 TPF Noob!

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    Ah. I am just looking into my next lens as either a Tamron 17-50, a Tamron 28-75, or maybe even a Sigma 70-200. The Sigma costs much more money, but I already have the 18-70 focal lengths covered. Come to think of it, I don't think I'm gonna want a Tamron 28-75, but the Tamron is definitely on the table and maybe even the Sigma. Just contemplating if that extra $300 is really worth it. It would mean waiting a much longer time to purchase one, maybe even months. I'm in school now, and am too busy with extracurriculars to have a job, so that extra $300 is going to take a bit of time to make.

    On the other hand, if the Tamron can produce images of very similar quality, then I probably don't need the Sigma. Those focal ranges are nice, but not worth the extra $300. Plus, I can sell my 18-70 if I get the 17-50, which means a little extra money for other stuff.
     
  8. Kegger

    Kegger TPF Noob!

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    Here's one with the Sigma wide open.

    [​IMG]
     
  9. DRoberts

    DRoberts TPF Noob!

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    It might be a personal prefrence kinda like Canon or Nikon, but from all the reviews I've read on this very subject, I have found the majority say that Sigma is an overall better quality lens than Tamron
     
  10. keith204

    keith204 No longer a newbie, moving up!

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    Why are you not sure which range you want?
     
  11. Sw1tchFX

    Sw1tchFX TPF Noob!

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    Doesn't really look too super.


    Take a look at the Nikon 80-200 f/2.8 too. I have it and it's beutiful on the D3/700.

    Here's photograph I did recently that perfectly explains it's clarity.

    [​IMG]



    And the centerish at 100%:

    [​IMG]



    Now if that's not sharp, I don't know what is.


    I did however get to handle a Sigma 70-200 HSM last week and i'll admit, I was a little impressed by it's speed of focusing. It's pretty quick and torquey, but can be really indecisive. I have no idea on how sharp or contrasty it is.
     
  12. roadkill

    roadkill TPF Noob!

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    Is there vr on that sigma 70-200 f2.8
     

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