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Old Aug 19, 2008, 2:47 AM   #11
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peripatetic wrote:
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If you want fast AF then you can eliminate the 1.8 from your list.
Thanks a lot. I will keep this in mind.
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Old Aug 19, 2008, 7:39 AM   #12
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The Canon 50 f/1.4 is not that fast either even with HSM... My copy has a terrible CA problem in bright light even though Photozone data show very little of it
-> Canon should emulate this auto CA cancellation in the body from Nikon

Check out the Sigma's SIZE: http://www.dpreview.com/lensreviews/..._c16/page2.asp
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Old Aug 20, 2008, 8:55 PM   #13
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Thanks a lot for the inputs.

Fortunately, I am not looking to take fast action shots like sports. Mostly indoor presentations or programs of my kids.

I think I will try the Canon 50mm f1.8 (price is low enough to gamble on) then work my way from there.
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Old Aug 26, 2008, 8:52 PM   #14
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On a APS-C sensor you have a 1.6x crop factor so you would want about a 35mm prime lensif you wanted what was equivalent to a "normal" lens on a 35mm or full frame digital. A zoom lensincorporating17-50mm with a large aperature of f/2.8 for low lightwould be perfect, both Tamron and Sigma make lenses in that range that are reasonably priced and decent optically.

A 50mm would be more like a portrait lens on and APS-C sensor camera, not suitable for group shots, unless you can stand a long way away!
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Old Aug 26, 2008, 9:37 PM   #15
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Bob,

Thanks a lot.

I have a 17-70mm Sigma but it is not a fixed aperture lens. So past 17mm, aperture goes above 2.8. Not quite suitable for what I had in mind.

Looks like I will have to shop around for a fixed aperture 17-50mm.


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Old Sep 2, 2008, 7:19 AM   #16
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The verdict is in:
http://www.dpreview.com/lensreviews/..._c16/page4.asp
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Old Sep 2, 2008, 11:56 PM   #17
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The EF 50mm/f1.4 was a bit stiff for my pocket so I settled on the EF50mm/f1.8. Great lens for the value.

Gets good reviews also. For anyone looking for a fixed lens in this range:

http://www.the-digital-picture.com/R...ns-Review.aspx


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