Quote Originally Posted by ralnphot View Post
The last time I used extreme tilts, it resulted in a curved line at the top of the photo. This appears to have been the result of not seating the film holder completely into the camera back, since you are positive you pulled the slide fully out, and reinserted it fully.
I second the theory of not seating the film holder all the way. I have had this problem with a Polaroid back because they are thicker. The results were identical...