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Forum: Pentax Medium Format 12-27-2015, 11:52 PM  
WTH messed up shadows??
Posted By Sagitta
Replies: 23
Views: 2,225
There was definitely LED lighting at play as well.

LEDs aren't just difficult to capture, they're impossible (especially if there is no other lighting to run interference). The reasoning is that a CMOS sensor will be basically 'overwelmed' by LEDs since LED is 'pure' (ie, one or maybe 2 colors), where the sensor is looking for three colors to combine together in verious degrees. You basically wind up with a green-screening effect from whatever the LED is illuminating. This is especially apparent in some stage lightings and whatnot where you'll see a distictive 'hypersaturation' effect.

The only real work around (that I know of at least) is to not use a modern camera (ie, someting without a CMOS sensor in it). CCD sensors interpret light differently and will actually handle LEDs better, despite being an older technology.
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