I happen to have some pretty decent shutter speed sequences here, so I’m putting them together into a post.
Bottom of Falls
All those are at ISO 100; apertures range from f/4.5 to f/22. They were converted in Bibble Pro, with minimal adjustments: profile set to sRGB, sizing, and auto white and black points (since they’re similarly exposed and pretty much correctly exposed, that made them more similar in exposure).
Top of Falls
1/1250 (ISO 200):
The first three are at ISO 100; apertures range from f/4.5 to f/20.