Quote Originally Posted by PhotoPete
Thanks for the info. I also have some different color films that I would like to try to cross as well. It is mostly Portra 160 NC or VC, but I also have all kinds of expired no-longer-made film that a friend gave me. Is there a general rule of thumb for exposure that I should follow?

Are you going to cross process the Portra? if so, in what?

I thought you were asking about cross processing E-6 film in C41 process, all of the Portra films are C41 process.