I have a question about colour space, which I freely admit to knowing next to nothing about.
First - when I bought a book on PS it strongly suggested that I set up colour space using 'Adobe 1998', and that was confirmed in another book I looked at. No problems so far.
When I recently bought a 20D this gave me the option of choosing colour space on the camera settings, and the manual recommended sRGB. Whilst out chatting to a fellow A.netter yesterday I noted that he has his camera set on Adobe RGB. It struck me that there was a potential conflict here with my settings, although I have never had a problem with colour profiles whilst editing, or anything like that.
I have just done a couple of test shots of the same scenes, using the two different settings. I was quite struck by the differences. To a layperson like myself the key difference was that the sRGB images -displayed in my PS set to Adobe 1998 - were brighter and more 'alive', whereas the shots taken with Adobe RGB set in camera were noticeably subdued. The detailed histograms confirmed this difference, with notably different graphs for the 3 colour channels. I then altered the PS colour space setting to sRGB, but I have to say I could not spot any difference in the results described above - camera set sRGB still looked a lot more colourful, Adobe RGB much more subdued and flat. This left me thinking that I would stick with sRGB in the camera, and leave my PS settings unchanged, using Adobe 1998 as recommended.
I would be very interested to hear more from others more informed in all this about the differences, and also what settings colleagues use for their camera (if able to make a choice).
Thanks for your input.