Rally,
Here is service manual for EF lens , optical formula (number of elements, their shape etc.) is the same as (my) '80-es model. Of course there are improvements, most likely in details, like coatings. And focus motors etc.
I haven't tried anything with this (newer) model, but if it so good as they claim, it would have been known already in our community... and that is not the case (OK - the price may be the factor here... but because some of us are more than ready to open their valets for high quality, the whole story somehow doesn't fit).
Again, I appreciate the saving in time needed for single observation.
Everything else (to me) is .. well.. .a bit overblown.
BTW, the magnitude limit is 28 magnitudes per square arc sec. And they are talking about 32... this is 4 magnitudes more, 0r ~32x lower intensity difference. This means dynamical resolution must be 5-bit higher....