First shots with the Sigma 17-50mm f/2.8 and first impressions...

Discussion in 'Beyond the Basics' started by robertwsimpson, Feb 24, 2010.

  1. robertwsimpson

    robertwsimpson No longer a newbie, moving up!

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    First off, some photos (click for 100% samples):
    17mm f/2.8 (no editing other than exposure correction and RAW-JPG conversion)
    [​IMG]


    50mm f/2.8 (no editing other than exposure correction and RAW-JPG conversion)
    [​IMG]

    First, let me say that $350 for a lens that will do constant 2.8 aperture is pretty much a no brainer. Just for the ability to take low light shots at different focal lengths, it was totally worth it for me. The image quality is pretty good too. Even the colors are more vibrant than the kit lens this is replacing. It's a fantastic lens. That being said, there is one disappointing thing. In my research, I came across a snip-it that said this lens had a weak left side. I didn't really know what this meant, since it doesn't make sense to me that a lens would have a weak side when the glass elements are round and theoretically should be the same quality in concentric circles around the center point of the photo. Sure enough, if you look at the photos (especially the park bench, you can see that the left side is slightly softer than the right. This trait appears to improve slightly as the lens is stopped down. All in all, I am very impressed with this budget piece of glass. It will definitely last me until I can afford some big boy glass!

    Hope this helps!

    Here are more photos:
    47mm f/5.0
    [​IMG]

    19mm f/4.0
    [​IMG]

    50mm f/4.0
    [​IMG]

    50mm f/4.0
    [​IMG]
     
    Last edited: Feb 24, 2010
  2. Felix0890

    Felix0890 TPF Noob!

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    Where did you get it? They're selling on Amazon brand new for $200. I might get it over the Tamron version and save myself a couple hundred bucks.
     
  3. robertwsimpson

    robertwsimpson No longer a newbie, moving up!

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    Ah crap, I totally typed sigma instead of tamron.

    This is the one I got:
    [ame="http://www.amazon.com/Tamron-17-50mm-Aspherical-Digital-Cameras/dp/B000EXR0SI/ref=sr_1_1?ie=UTF8&s=electronics&qid=1267021643&sr=8-1"]This is the one I am talking about.[/ame]
     
  4. brianT

    brianT TPF Noob!

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    That's funny because after I read through the entire post and looked at the photos I was wondering why I never heard about a Sigma 17-50 f/2.8 (constant aperture). Then it dawned on me that just recently Sigma announced one:
    Sigma releases 17-50mm F2.8 EX DC OS HSM: Digital Photography Review

    Then I was wondering how you were able to purchase it so soon after the press release. But it's Tamron after all. :)
     
  5. robertwsimpson

    robertwsimpson No longer a newbie, moving up!

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    yep, I'm an idiot :(


    seriously though, it's a great lens!
     
  6. R6_Dude

    R6_Dude TPF Noob!

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    Did you buy it used? Amazon and BH has it listed for $459. I was considering this lens but the VC version. Did you consider it as well?
     
  7. robertwsimpson

    robertwsimpson No longer a newbie, moving up!

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    I bought this used on Craigs List.


    I was considering the VC version, but I had read that the IQ was worse than the non-VC version, and for these focal lengths, VC is not a necessity for me.
     
  8. robertwsimpson

    robertwsimpson No longer a newbie, moving up!

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  9. icassell

    icassell TPF Noob!

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    Hmmmm ... those images look awfully familiar ...
     
  10. icassell

    icassell TPF Noob!

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    I have had the Tamron 17-50 since 2007 as my walkaround lens. I had it for my 30D and now my 7D. I don't see it as a compromise at all and, in fact, love it. It is solidly built and has excellent IQ. I could probably afford "big boy" ("L") glass, but have felt no rush to go out and spend for it.
     
  11. robertwsimpson

    robertwsimpson No longer a newbie, moving up!

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    Do you notice the weak left side like I do?

    Man, I'd consider cutting off a toe to shoot video through this lens.
     
  12. PackingMyBags

    PackingMyBags TPF Noob!

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    Love my copy. It only gets dull in the far corners at 17mm. After that it goes away.
     

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