Quote Originally Posted by dmckinny
Given that I have a 30D, what other settings in Picture Styles should I set to get the most accurate RAW histogram?

I'm not certain, but I would suggest the "neutral" profile, with 0 saturation and 0 contrast. I don't know if AdobeRGB is better than sRGB on that camera or not.


Quote Originally Posted by dmckinny
I generally go manual on sunny days for the
consistency. I go Av when the light is changing, but I don't like the
wildly (to me at least) varying exposures I get. I'm also going to try
spot metering the next time I'm in Av to see if the exposures are less
affected by how much sky I have in the back ground. Any thoughts or
suggestions?

I like to use Av in rapidly changing light as well. Use exposure compensation to do ETTR in Av mode.