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Archive 2005 · Canon 17-40L f4 vs Sigma 18-50 EX f2.8 Comparison shots

  
 
jmardy
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p.1 #1 · Canon 17-40L f4 vs Sigma 18-50 EX f2.8 Comparison shots


I'm selling my Sigma EX 18-50 and was asekd if I had compared the two.
Why, yes. Yes I have.
Thought I'd share the results with everyone (geez I hope y'all have broadband connections).

Here are RAW files, converted in PS CS to jpg, bicubic, 1200x800, quality 90:

Here's the Canon at 17mm f/4:
http://www.96k.com/photography_source/c17-f4-brick.jpg
Here's the Sigma at 18mm f/4:
http://www.96k.com/photography_source/sigma_18_f4_brick.jpg
Same shot at f/2.8:
http://www.96k.com/photography_source/sigma_18_f2-8_brick.jpg
Same shot at f/11
http://www.96k.com/photography_source/sigma_18_f11_brick.jpg
-----------------------
Canon, 40mm at f/4:
http://www.96k.com/photography_source/canon40-f4-brick.jpg

Sigma 50mm at f/4:
http://www.96k.com/photography_source/sigma_50_f4_brick.jpg

I have more if there's something specific you're interested in.
Cheers,
-John



Jan 07, 2005 at 01:08 PM
ibjames
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p.1 #2 · Canon 17-40L f4 vs Sigma 18-50 EX f2.8 Comparison shots


why are you selling the sigma again??


Jan 07, 2005 at 05:01 PM
hqmhqm
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p.1 #3 · Canon 17-40L f4 vs Sigma 18-50 EX f2.8 Comparison shots


I love my Sigma 18-50/2.8, but I was having front-focus issues in low light
with it, it was driving me crazy. I just sent it back to Sigma to adjust, I'm hoping it will be improved. Otherwise, I think it has great color, contrast, sharpness. And it is so small and compact it fits just right on my 20D.



Jan 07, 2005 at 07:31 PM
jmardy
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p.1 #4 · Canon 17-40L f4 vs Sigma 18-50 EX f2.8 Comparison shots


I know, it's a nice one.
I just need the money to pay down credit card from recent lens buying binge...
ibjames wrote:
why are you selling the sigma again??





Jan 07, 2005 at 07:48 PM
Jolly
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p.1 #5 · Canon 17-40L f4 vs Sigma 18-50 EX f2.8 Comparison shots


hqmhqm wrote:
I just sent it back to Sigma to adjust, I'm hoping it will be improved.


Have the same issue with my 18-50 2.8 on a 10D. Would like to hear if they can fix your's.

regards,

Julian



Jan 08, 2005 at 11:41 AM





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