Quote Originally Posted by Bill Burk View Post
If you come to the end of a roll while shooting, it's easy enough to change rolls and take a couple shots of what you were shooting at that moment.

So maybe it's not really a big deal.
This is how I do it too, I always load my rolls with 40 frames, and when I reach 35, I tend to use 36 and 37 for "non critical shots", and if there's still anything left after that I shoot right out in the sky etc.