Digital BW, The Print

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Eric Neilsen" <e.neilsen2@...> 
wrote: 
> I asked Julianne Kost of Adobe that very question a few years ago and can't
> find her response. I'm pretty sure it was either 70G/20R/10B or
> 60G/30R/10B...but with my memory who knows. Guess you could manually do
> those and see which more closely matches the RGB>Grayscale conversion.

Photoshop's default grayscale conversion is: R-30%  G-60%  B-10%