40D Green Cast

Hi Folks

I see to be getting a green cast from my new 40d.

Especially happens in Low Light.

I've trien reseting the factory setting, but still no difference.

When I shot in RAW it can be easily corrected, but time-consuming.

Any thoughts?

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Your WB is off. I can tell cause that sign in the back, "Pool G", is a white piece of paper, but it looks grey in the photo.

Gymnasiums usually have that funky green lighting. Do a custom white balance next time.

Agree with Char. I played with color balance on your shot and I like the results best using the eyedropper on the white floor they're standing on.

With nasty arc-discharge lighting custom WB is often the only way to get it right without PP.

BTW, did you find the color or exposure changed with multiple shots? That's another common problem with gym lighting if you're shooting with shutter speeds over 1/60...

-js

auto white balance sucks big time under gym lights. Get a gray card and set a custom Wb.

You were probably shooting under florescent lighting which is notorious for messing with your color balance. As others have said, a custom white balance will help a lot, but even then depending on what the frequency output of the lighting is when you snap the shutter, it can still cause a slight color cast to your photos. When shooting under florescents, I'v'e found your much better off to shoot RAW and then adjust the white balance in conversion.

Mark

elader wrote in post #4192029
auto white balance sucks big time under gym lights. Get a gray card and set a custom Wb.

Agreed, especially if you'e shooting jpeg. Another thing you might try if you shoot under these conditions a lot is an Expo Disk.

I find that indoors lighting (non-studio) tends to suck for white balance, even a custom white balance isn't perfect, but you can get close with a custom white balance and then it should take only a minor adjustment in software.

Flashes and studio strobes give better color rendering because they have their "temperature" set at close to daylight, which most cameras handle well. "Regular" indoor lighting of the various kinds are all either too warm or too cool and cameras tend to do a lousy job of sorting them out!

Do some practice shots of your white balance lighting presets and if you can get a gray card and/or an Expo Disk or, for lack of one of those a bright white sheet of paper try that -- read in your manual for instructions for setting a custom white balance.

Good luck with your shooting!

Tony