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Forum: Pentax Medium Format
12-28-2015, 10:46 PM
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as others have correctly diagnosed the mixed stage lighting will cause the discolored areas you've captured and there is no uniform correction that can be applied in-camera if that is what you are asking. In post, however, this issue may be addressed a number of ways. One of the simpler ways I might address this is to duplicate the layer and separately process for "gold removal" and also for "blue removal", then use a layer mask to paint in the corrected areas only. To remove those hues, my "gold removal" layer might consist of a simple adjustment to desaturate just the yellow channel, for example. Likewise with the blue. Or purple, or green, or any area where some localized correction is needed.
Since you know what areas need to be white, you could even create a simple desaturated layer and then paint over the affected areas with white. Blend the opacity so as not to correct it 100% or it will look unnatural.
When my annual event changed over to LED stage lighting, I must say it presented a new challenge in handling colors, especially with reds and yellows. I found that the purple LED combination rendered well on my camera and even met with the lighting engineer once before the show and asked if he would replace some of his randomly applied red spot work with purple and he was happy to oblige.
Good luck!
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