Mark Sturtevant wrote:
Could I increase the step size at these apertures by a factor of 10 and get a good stack?
Don't know if this will answer you question, but Zerene will let you stack every 2nd, 3rd, 4th etc. frame. When you start to see banding, you've went far enough. Load your flower bud stack & Go to: Options>Preferences>Pre-procesing and tic the box "Stack every Nth frame. Change the number and run a new stack.