----- Original Message ----- From: "Lon Williamson" Subject: Re: Film processing
> I trust William Robb's opinion, and I've heard him write (man, > now THAR's a conundrum) many times that C-41 cannot really be pushed. > Why is it that such is true of neg film, but not slide film? Personally, I don't think slide film really pushed either, but I take a very literal view on the process. I have quantfied at various times what happens to film speed vs. development time with negative film. It takes a huge increase in development to impart a very small change in film speed. William Robb
