Digital BW, The Print

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, Stephen 
Petegorsky <petegorsky@e...> wrote:
> 
> > I use Solux halogens, and have
> > tweaked the line voltage with a variac to get 5000K at the 
viewing surface
> 
> Paul - What's a variac?  How much tweaking can be accomplished with 
it?

Running the solexes at the voltage required to get 5000K (about 
13.2V) would reduce life significantly (by more than half)... but 
what I'm interested in knowing is what kind of fixture you are using. 
I am considering building something given the high cost of the retail 
fixtures.

-Pieris