From: Larry Colen
Ecke's post about filter enablement tickled on of my neurons.
One of the places that I tend to shoot bands has the stage lit with
about 4 orange and red lights, and two blue and one green.
Occasionally this will lead to a nice effect, but usually just needs
to be converted to B&W. Also, if I expose to not blow out the red
channel, the blue and green channels end up about three stops under
exposed, leaving me with 75% of my sensor sites way under.
I've been thinking of trying to slap some blue filters on my camera
the next time that I shoot there, and realized that there's a good
chance that folks on this list might have some gathering dust in a
drawer, from the days when you needed to use a filter if you were
shooting with daylight film under tungsten lights.
Also consider using a B&W adjustment layer in Photoshop for your
conversions. It allows you to tweak the "colors" individually.
It's like having multiple variable density B&W color correction filters.
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