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04-19-2008, 11:11 AM   #1
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k20d AWB inconsistency

Both of these shots were taken with AWB on.
my k10d never messed up white balance outside
any ideas on why my camera is doing this???
is this normal or could it be a problem with my individual camera?


Last edited by qksilver; 05-24-2008 at 04:19 AM.
04-19-2008, 11:34 AM   #2
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Just curious, is it bee's nest or something?
04-19-2008, 11:53 AM   #3
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no, a deformed growth on the tree. a giant tree tumor
04-19-2008, 06:14 PM   #4
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heres another example


Last edited by qksilver; 05-24-2008 at 04:19 AM.
04-19-2008, 07:06 PM   #5
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Well, that has to be the oddest couple 'test' subjects I've seen in a while - giant tree tumor and pretty blonde holding down tranquilized deer.
04-19-2008, 07:24 PM   #6
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haha, no tranq, Just trapped measured weighed tagged and released
04-19-2008, 07:44 PM   #7
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In both sets of photos, the depth of field in Shot 1 is different from Shot 2.
DOF doesn't affect WB directly, but it affects the amount of detail the camera captures with bokeh, and that includes colour.

From what I've seen so far, the K20D AWB is a significant improvement over the K10D, especially in handling warmer lighting.
04-19-2008, 10:11 PM   #8
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the second set of photos have the same DOF and were taken literally seconds apart

04-19-2008, 11:16 PM   #9
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I think the best way to check the AWB out is to do a still-life shot - shoot a static scene with a mix of items of different colour, mount the camera on a tripod or as steady as you can handheld, fix the focus and exposure using Manual Focus and Manual exposure.

Sometimes, subtle differences between shots can cause either the metering or the AWB to go to the next higher or lower step. Ever noticed how shots taken seconds apart sometimes have different shutter speeds ?
04-20-2008, 10:10 AM   #10
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I'm considering using the body cap for manually setting the camera white balance, could it have been a variation is cloud ?sun comming oput or going in ?
04-20-2008, 10:18 AM   #11
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It is weird that my k10d never EVER did this though and a camera that is supposed to be better at AWB is giving me weird results
04-20-2008, 11:04 AM   #12
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To be honest, the second set of photos, i really see no difference, the 1st i can see a difference. In the 2nd set, there is more sunlight on the blonde girls face in the 2nd photo, so the colors are a bit more washed out? dunno if that is a correct term or not. The grass colors are consistent in both of them to my eyes.
04-20-2008, 11:14 AM   #13
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actually I'd say on the second set that there is also a slight difference in exsposure hence a change in colour tones
04-20-2008, 12:16 PM   #14
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there was not a cloud in the sky that day. if you look at the second set of pictures the first one is much greener than the second. look at the bushes in the background
04-20-2008, 12:23 PM   #15
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hm yes actually it might be a slight difference in the top to bottom of my monitor (perhaps I should start a topic on it) but the framing is not identical so it might have altered the WB mainly the different height of framing has altered the ratio of grass to hedge in the background altering the WB
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