bill owens

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Thank you, great resource!

Christof, I've been curious about the noise on my 400D as well, but am now curious about whether processing is a factor. See this <a href="http://www.photo.net/bboard/q-and-a-fetch-msg?msg_id=00JWFl&tag=">this</a> posting.

 

Are you using ACR in CS2?

I purchased a 400D coincident with upgrading to Adobe CS2. After a few weeks

of use, I was under the impression my 400D was significanlty noisier than my

20D at ISO 800 and 1600, and there has been some discussion on-line about

that. But then I became suspicious about CS2. Attached is a side-by-side of

part of a 20D RAW image processed identically in CS and CS2. Relatively heavy

USM was applied in each to amplify the noise differences. The difference may

not appear large, but the jump seems to be about the equivalent of going from

ISO 400 to 800 or even 1600 (using the same camera and same PS version).

 

I'm aware of the ACR features added for CS2, but is anyone aware of any

significant changes made in the basic ACR algorithms between CS and CS2?<div></div>

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Thanks, Jeremy

I can zoom an image in Adobe CS but not in CS2 just by scrolling the mouse

wheel. Any idea where I go to set an option in CS2 to do this? Thanks.

My Canon 17-40 was stolen. I was always disappointed in it for being too soft on the long end. I replaced it with the Tamron and am very pleased with it. Just shot a wedding with it last week and I couldn't be happier with the results--so much sharper than the Canon. It won't work on FF and it won't have the same resale, but I'd recommend it over the Canon if you don't anticipate going FF. It's sharper, smaller and lighter, and otherwise comparable on all other counts (distortion, CA, vignetting, contrast, color) except AF noise and presumably quality and sealing. The latter two are much less important to me than resolution. And it's over $200 cheaper.

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Drew, my XTi seems to focus as fast as did my 20D, and far faster than my now sold XT. The XTi has the same AF as the 30D, including the "dual-precision" center AF point, where the center will automatically focus more accurately with f/2.8 or better lenses.