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01-08-2009, 10:24 AM   #1
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Green cast to white balance

I'm new to this forum and could use some help with my K10D white balance problem. I shoot a lot of skiing photos each winter using the continuous mode and shooting. The first exposure turns out green with red flames shooting out from the left side of the frame. Needless to say it's totally useless. My remedy was to shoot a few shots before the skier got to the position I wanted him. The next few frames are generally ok. I use a low ISO (100), white balance set to the conditions, Pentax lenses (DA 10-17; DA star 50-135; DA 18-55). The DA 18-55 is the lens where the problem is the greatest. Any suggestions? Thanks

01-08-2009, 10:33 AM   #2
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01-08-2009, 10:39 AM   #3
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Are you using a scene mode or auto white balance? I'd just find a clean patch of snow and snap a custom white balance shot.

Edit: Obviously, if you are setting custom WB, you'll want to be in M, AV, or TV mode.
01-08-2009, 12:45 PM   #4
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QuoteOriginally posted by gatekeeper Quote
The first exposure turns out green with red flames shooting out from the left side of the frame. Needless to say it's totally useless.
Could you post a sample? That doesn't sound like a WB issue; it sounds like a serious sensor or memory card defect.

01-08-2009, 06:19 PM   #5
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QuoteOriginally posted by Marc Sabatella Quote
Could you post a sample? That doesn't sound like a WB issue; it sounds like a serious sensor or memory card defect.
I was worried that is was more serious than just adjusting the whiote balance. Most of the images have been deleted but I'll try and find one. If I do how do I post it here?
01-08-2009, 10:18 PM   #6
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QuoteOriginally posted by gatekeeper Quote
I was worried that is was more serious than just adjusting the whiote balance. Most of the images have been deleted but I'll try and find one. If I do how do I post it here?
First upload it somewhere, then click the icon for "insert image" when typing up your message (looks like a picture of a green mountain and green sun on a yellow background) and enter the URL of wherever you uploaded it to.
01-09-2009, 02:15 PM   #7
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I think I have the photo ready for viewing thanks to my 23 year old son although the photo seems quite large. maybe some day I'll figure out the computer alo0ng with the camera. Thanks for the help, Tim
QuoteOriginally posted by Marc Sabatella Quote
First upload it somewhere, then click the icon for "insert image" when typing up your message (looks like a picture of a green mountain and green sun on a yellow background) and enter the URL of wherever you uploaded it to.
01-09-2009, 02:34 PM   #8
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QuoteOriginally posted by Marc Sabatella Quote
First upload it somewhere, then click the icon for "insert image" when typing up your message (looks like a picture of a green mountain and green sun on a yellow background) and enter the URL of wherever you uploaded it to.
OK, amend that: first resize it to make it manageable for those of us trying to view it! 1000 pixels maximum dimension, or thereabouts. Some picture-hosting services can resize on upload automatically, or give you several choices of sizes when linking to the image - try to take advantage of them.

Anyhow, yeah, the read on the left is a very serious problem of some kind, not just a matter of wrong WB. The overall color cast might have looked like a simple WB issue if not for the red on the sies, but given the red, I'm guessing it's all part of the same problem. I'd try a different memory card. I the problem goes away, great. If not, then the camera needs service.

01-09-2009, 05:36 PM   #9
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QUOTE=Marc Sabatella;445510]OK, amend that: first resize it to make it manageable for those of us trying to view it! 1000 pixels maximum dimension, or thereabouts. Some picture-hosting services can resize on upload automatically, or give you several choices of sizes when linking to the image - try to take advantage of them.

Anyhow, yeah, the read on the left is a very serious problem of some kind, not just a matter of wrong WB. The overall color cast might have looked like a simple WB issue if not for the red on the sies, but given the red, I'm guessing it's all part of the same problem. I'd try a different memory card. I the problem goes away, great. If not, then the camera needs service.[/QUOTE]

The card I have in the camera right now is a SanDisk Ultra II 4gb. Almost always there is a red burst on the edge of the frame, sorry about the size. I just went out to take this photo to show what happens on the first frame. Hopefully yuo can see my problem.
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