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02-20-2007, 06:27 PM   #1
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AWB: what range?

How far?

Simple enough question.

State the range over which AWB should function.

I'm too cheap to pay for one of those official PentaxForum surveys.

Camera:
AWB (K):



PS: don't cheat!

02-20-2007, 07:03 PM   #2
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Hi John, I'm not sure what you mean. Are you looking for a Kelvin range, say from 3000 to 16,000? Is that what you are looking for?

NaCl(color me confused)H2O
02-20-2007, 07:22 PM   #3
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Yep, plus comments. How far, across what range, should auto white balance function; why? Yes in Kelvin-it's common ground.

And I suppose, what do you expect AWB to do for you as a photographer with a dSLR-this would be most informative.

In a sense, there is no wrong answer as long as it makes physical sense for this existance.

Last edited by jfdavis58; 02-20-2007 at 07:24 PM. Reason: spelling, extra thoughts
02-20-2007, 07:42 PM   #4
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OK, I'll be frank, I don't trust AWB much. As most of you know, I love to shoot flowers, so color is important to me. When I was first learning digital I had my camera on AWB 100% of the time, and I noticed that the color was frequently a slight bit off. At the time I was shooting 100% jpegs. So I went from AWB to changing the WB, shade, full sun, cloudy, etc. I would get the color right, but it was a real pita to remember to change the WB to meet changing conditions. I wish I had a buck for every time I walked from shade to sun and forgot to change the WB and ended up with bad pics. Then I took a deep breath and started shooting pretty much 100% raw. Problem solved.
But that doesn't quite answer your question. In a perfect world, I would expect cameras to accuately reproduce color on an AWB setting from about 4500 to about 9000 outside. Inside with the plethora of a myriad different lights, all with different temps, I'd say that my hopes and expectations are much much less, maybe from about 6000 to 8000 if that. Inside if I'm shooting jpeg, I will always go with a custom WB. I just wish it was a bit easier to set.

NaCl(hope that answers your question)H2O

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