I see that Rollei makes an orthochromatic film, and I'd like to try it out just for the sake of curiosity. I've never used ortho films. I know what they are and how they work (no, I'm not confusing them with lith film :-D). What I don't know is what kind of subjects they suit and how they render them. I mean, I know the film is not sensitive to red light, so the reds should come out very dark, but on the other hand it's not just red that's affected, but all colors containing more or less red. It's not as simple as all red objects turning black and everything else remaining normal. I expect the effect to be quite complex, and I just can't visualize it. <br> What exactly should I expect? What kind of subjects will look best on ortho film? Could anyone post a couple of samples?<br><br> Instead of using a genuine orthochromatic film, could one use a normal film with a very deep cyan filter? Would it have the same effect? Are there such filters? <br><br> Thank you.