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Sony FS700u camera has drifting white balance
I bought a used FS700u and notice that, even though the white balance is set to INDOORS preset and manual, the white balance changes over time. In the images I provided I’m shooting a gray background lit with tungsten lights at 3200. When the clip starts the overhead fluorescent lights are on. When those lights are turned off and only the tungsten lights are on, you can see the gray background shift from orange to a more neutral gray. It’s almost like have auto WB turned on, though i’ve checked and cannot find a reason why the color would shift.
Also, I can’t change the FS700 color temperature when I’m off preset and use the menu to incrementally shift the color temperature
thanks,