Quote Originally Posted by steve
The film will now be back to back. That's right, you're exposing through the back side of the film.
Just to clarify, when exposing the film to make the mask the orientation of the films is:

emulsion\ transparancy
base__ /
base.... \
emulsion/ masking film

Hopefully my ASCII drawing came out, but if it didn't the backs of the films are together, and the emulsions face outward. Therefore, no matter which side of the taped together sandwitch of transparancy and masking film you look at, an emulsion side is always facing out.

Is that correct?