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Old Apr 19, 2005, 2:26 PM   #1
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Hey everybody,

I got my 20 D with the Canon 18-50mm lens and want to buy a zoom. I've decided on Sigma but I can't make up my mind among these four:
  • Sigma 28-135, f3.8, $159 [/*]
  • Sigma 28-200, f3.5, $200 [/*]
  • Sigma 28-300, f3.5, $270
    [/*]
  • Sigma 28-105, f2.8, $200[/*]

I know about the review sites but I'm looking for any additional thoughts from you guys.

Thanks,

Sri
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Old Apr 19, 2005, 7:19 PM   #2
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What type of photography do you want to use the lense for?
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Old Apr 19, 2005, 7:47 PM   #3
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mostly casual shooting a little bit of travel and walk around lens since i am not doing photography for a living anymore (just did not make enough)
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Old Apr 19, 2005, 7:54 PM   #4
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although i had used the sigma 28-200mm on a Fuji S2 pro for work before and to me the pics were not that bad but then again i have never used the pro lenses so maybe i can't tell the difference.

Thanks Sri
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Old Apr 19, 2005, 9:30 PM   #5
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Srinivas wrote:
Quote:
I got my 20 D with the Canon 18-50mm lens and want to buy a zoom. I've decided on Sigma but I can't make up my mind among these four:
[*]Sigma 28-135, f3.8, $159 [/*][*]Sigma 28-200, f3.5, $200 [/*][*]Sigma 28-300, f3.5, $270[/*][*]Sigma 28-105, f2.8, $200[/*]
None of the above !!!
-> they are all older lenses made for full frame... especially the 28-300

You will be much happier with this for the 20D (and box up the EF 18-50mm):
http://www.sigmaphoto.com/lenses/len...87&navigator=6

If you want a faster lens - This is it: http://www.sigmaphoto.com/lenses/len...61&navigator=2
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Old Apr 19, 2005, 10:10 PM   #6
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i second the nomination for the 24-70 dg.. =)
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Old Apr 20, 2005, 5:14 AM   #7
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If anyone is into MTF's - The 'L' canon is slighly better @ 24mm, but the Sigma clearly comes out ahead at 70mm (for portrait shot wide open 'Bokeh'). There's just NO comparison value wise at least for cropped APS sized sensor cameras with 13mm image circle.


The blue upper curves on Canon's are @ f/8 while the Sigma's are all wide open:
FYI - http://www.pbase.com/fstopjojo/24702875

Canon: Sigma:


Canon: Sigma:



-> Also just like the EF 17-85mm IS USM, the best value Sigma 18-125 leads them all: :idea:
Here's the proof - http://www.fredmiranda.com/forum/topic2/143791

18mm: 125mm:

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Old Apr 20, 2005, 5:29 PM   #8
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Thanks everybody for the input. Unfortunately, I am on a strict budget, so think I will go with the 28-200 since I've used it before and I need the extra range.

Sri
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