what am i doing wrong?
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i was calibrating a projector today and setting the actual brightness (foot lamberts measurement of a 100% white window with 25% APL) or in chromapure the “small windows” setting.
My memory and my spreadsheet tell me that i should be aiming for about 14 fL for a projector. The lowest i could get it was about 27 fL. so i finished the calibration and tested with some Blu-rays.
The colours were good but the picture was horrendously dull so much so that i had to increase it to about 42 fL to look right.
i also did a TV recently and set it to 30 fL through the backlight and the same thing – it wasnt bright enough.
Am i taking the wrong measurement… is my memory incorrect? i feel im doing something obviously wrong.
ive attached a screenshot of my 42fL measurement.
Thanks for any help.
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