Quote Originally Posted by Stephen Benskin View Post
Here's a graph of it from Photographic Materials and Processes.
I was under the impression that leaf shutters accommodated this by "not" being as fast as their highest speeds say they are.

For example the 200th of a second speed setting might in actuality be 160th of a second real time to allow the sum of the bell-curve opening and closing over the full aperture... to be effectively 200th of a second.