Purple shirts & IR contamination

tetrisattack said:
X-rite color densitometers, gretag macbeth color checkers, calibrated imacon scanners, calibrated monitors, and custom ICC profiles for every paper they run through their printers.

The pros keep everything in control every step of the way through.
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IR containation has nothing to do with color managment.

All of the above would just assure you got a correct magenta. The only solution is either an external IR Cut filter or a stronger one to start with on the sensor.
 
pfogle said:
you know those color checker charts? Has anyone tried this on those? Don't they show the IR sensitivity?

And what to pro's do who HAVE to get accurate color? Like they're photographing paintings for a catalog?
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M8 shooters have done that and they show incorrect colors. Hence, IR cut filters which then fix the problem...
 
johnastovall said:
M8 shooters have done that and they show incorrect colors. Hence, IR cut filters which then fix the problem...
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that's what I would have thought. I did once do a catalog for a painter, only time I've ever done it in digital, though I've had experience with 5x4 color previously. I used a Canon 1DmarkII and bowens flash, no filters and WB to a grey card. The paintings were mainly black (!) but they came out fine. I don't think I'd dare to try it on the R-D1 or the M8 - except maybe to prove a point 🙂
 
Yesterday Supreme Court Justice Breyer appeared on the NPR quiz show "Wait, Wait, Don't Tell Me!" He got all the questions wrong.

At one point they started asking him about his robe. He said he bought it in a store in Boston and he volunteered that it was synthetic. Guess what I immediately thought of?

Hey Rex this purple on the M8 "sucks" more than auto ISO would! 🙂
 
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