Digital BW, The Print

At 09:27 AM 2/12/2003 +0000, DigitalBlackandWhiteThePrint@yahoogroups.com 
wrote:
>A lambda or light jet - well there is a very good reason in that reciprocity
>failure would cause problems as would you having to give them a green file -


Why would you have to give it a green file?  A monochrome
file is R=G=B.

Also why is there an issue with reciprocity failure?
You're modulating a green light across the surface of
photosensitive material - unless the exposure is absurdly long
or short why should there be reciprocity issues?