Question about Canon EOS-10D Digital Camera

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Magenta cast For many months now I have been shooting products and artwork with a Canon 10D and 2 white lighting strobes with larg silver lined soft boxes.The problem I'm having is with a magenta color cast over the entire picture especially if I shoot red subject material.I have tried vast changes in parameters and white balance and nothing I do with camera settings seems to help, I must always resort to post processing in PHOTOSHOP CS. Could this be a 10D issue or ME?

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Re: Magenta cast

Mostly it is probably you. 1.) Use a Gretag-Macbeth Mini Color Checker in the first frame of your lighting set up (every time you change anything about your setup: move the lights ,change the softboxes, lower or raise the power settings. use the Mini-color checker or the Gretag-Macbeth DC Color Checker -- nott he regular Color Checker 2.) As suggested: shoot RAW, and learn how to use the Camera Raw function in PsCS to do a a decent white balance (use the patch next to, or the one two patches down, from the white square -not the white square for your white balance. Then use that setting for all of the images made with that set up.

Posted on Sep 14, 2005

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Re: Magenta cast

I guess it could be several things; perhaps the color temperature of your lights is the culprit. At any rate, it shouldn't be too difficult to correct - here are two suggestions: 1) Shoot in RAW mode so that you can fine-tune color balance after the fact and don't have to get it right in-camera. 2) Shoot a black/white/grey card in the same lighting as your subject. (all three "colors" on the same card) You can then use the eyedropper tool in either curves or levels to set the black and white points, and the grey eyedropper tool (when clicked on the grey in your shot) should get rid of any color cast, magenta or otherwise. Good luck!

Posted on Sep 14, 2005

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