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Old Mar 6, 2007, 8:29 PM   #1
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I am planning to buy the Canon XTi with a pair of wide zoom and tele zoom lenses. Here are my candidates.
For everyday: Sigma 18-50 mm/f2.8 or Sigma 17-70 mm f/2.8-4.5 (both DC macro)
For others: Sigma 70-300 mm f/4-5.6 DG APO Macro.
Between Sigma 18-50 and 17-70 , I can't decide which one to choose. Any advice and user experience? Thanks a lot.
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Old Mar 6, 2007, 9:18 PM   #2
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I would go with the 17-70mm if for no other reason than more range. I have the 18-50mm and it is a nice lens but for an everyday lens I would go with more range over the faster f2.8 constant aperture.
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Old Mar 6, 2007, 10:14 PM   #3
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The 17-70mm is the minimum zoom for everyday. My walkaround lens is the Sigma 28-200mm, when taking pictures of people I can keep a distance from the subject, with a short zoom I have to come closer, sometimes it makes them feel uncomfortable, most people are camera shy.
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Old Mar 7, 2007, 8:22 AM   #4
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Hi. Caboose and Coldshot: Thanks so much for the advice. I will go with the 17-70 mm.
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Old Mar 7, 2007, 4:40 PM   #5
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Excellent question Boro ('cause I was gonna ask the same thing!).

Are their other options in that $300-$350 price range besides these two? I am looking for something that produces sharp images and is OK for everyday use. I like the f2.8 and max 70mm range, but don't know if other lenses can give me similar results/specs in that price range.

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Old Mar 10, 2007, 2:08 AM   #6
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i'm faced with the same dilema
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Old Mar 12, 2007, 7:12 AM   #7
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You may also consider the Tamron 17-50mm which sells for around $430.

Shaper, less CA, More Accurate focus.

I too was in the market for a lens recently in the wide to short zoom range.

I was looking for the Sharpest, fastest f2.8, best focusing replacment for under $600. After reading a lot of reviews and asking people here, the Tamron seemed to be the best choice The Tamron has also been compared favorably to the Canon 17-50 which costs around $1000.

I would have likeed IS and somthing that also had a longer reach too, but not over sharpness, speed, etc.
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Old Mar 12, 2007, 9:17 PM   #8
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i have the sigma 17-70. liked it so much i sold my tamron 28-75 2.8 . you won't be sorry ,just make sure you get a good copy.
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Old Mar 22, 2007, 10:00 AM   #9
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17-70 kills most of the lenses up to 17-55 IS, excluding this incredible Canon EF-S lens, if you get good copy.

I gambled and got good copy. Just love it! It outperformed 17-40L I compared it with (on my old 350D) at all mutual apertures and focal lengths.
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Old Mar 22, 2007, 5:04 PM   #10
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nidza wrote:
Quote:
17-70 kills most of the lenses up to 17-55 IS, excluding this incredible Canon EF-S lens, if you get good copy.

I gambled and got good copy. Just love it! It outperformed 17-40L I compared it with (on my old 350D) at all mutual apertures and focal lengths.
Ya i love mine too, but how do you know if you got a good copy?
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