That's fine. I'm happy for you. I'm just rather skeptical when people make claims that cannot be demonstrated or shown through the internet by people who are expert in testing cameras.
You must realise that most people do not have the opportunity to compare prints of identical scenes from different cameras, so why suggest it?
No-one is doubting that the 40D has many new features that are worthwhile; faster frame rate, supposedly more accurate focussing, live view, ISO bracketing etc.
It's just that better image quality is something I haven't noticed yet, except at the pixel-peeping level at 200% enlargement.
However, I believe the saturation of red has been toned down a little on the 40D and that's the only difference I notice when I compare the 40D image of the house with the 30D image of the same poster of the house at Imaging Resources, using their comparator.
You'll have to forgive me if I think some of you might be engaged in some wishful thinking on the issue of improved image quality.
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Well, I don't claim to be an "expert camera tester," nor do I particularly rely on them to guide my choices. I only care about how the equipment works for me. In my experience, a 40D image looks pretty similar to a 20D one on a per pixel basis, but the 40D has a lot more pixels. As far as I'm concerned, that's better.
The 40D has plenty of new features, most of which I expect to use. I never shoot JPGs, so I'm not especially entranced by Picture Styles, but I suppose there are others who might be excited.
Is the 40D better enough to merit replacement of anyone else's 20D? I don't have the foggiest idea. Depends on how you use your cameras, how much you like to spend on them, etc. I've certainly never claimed a 40D is as good as a full-frame camera, and it doesn't matter to me because I can't afford a full frame camera anyway.
My wife bought me a 40D, and I prefer it to my old 20D. That's all I can say.
I did shoot a series with both my 20D and my 40D at avery available ISO. I converted the RAWs to DNG, and zipped up the whole set, which you may find at:
[a href=\"http://www.wesandcarol.com/Files/PixelPeeps.zip]Humongous Zip File[/url]
The whole zip is over 100M, so I'm warning you that it will probably take a good long time to download.
I ran the AcrCalibrator script on both cameras, and here are my suggested settings for ACR:
40D
shadow tint -2
red hue -18
red sat 21
green hue -4
green sat 8
blue hue 6
blue sat -5
20D
shadow tint 0
red hue -16
red sat 20
green hue -7
green sat 17
blue hue 4
blue sat -6