Hi Brian!
I wonder why you have so positive replies for this image.( from some experts too, by my consideration.
For my opinion it is a bad stereo image, too rivalries on the edges and too much deviation for the far point.
My preferable "rules" are visible on the attached images.
1: show the correct stereo window, of course a lot of window violation...
2: the cropped version is my acceptable version for your base and focal....
What do you think?
Imre