Fujifilm GFX100S Focus BKT 'Auto' Mode: Usage and Example: Welcome to California
The Fujifilm GFX100S/100 feature has an mode which allows the user to select a near focus point and a far focus point. The camera then decides how many frames to take to capture the stack, based on the working aperture and those two points.
An example discussing how it was made, and how the camera performed and the gotchas and oops parts too:
Fujifilm GFX100S Focus BKT 'Auto' Mode: Usage and Example
Includes 12-frame focus stack up to full camera resolution.