Originally Posted by The Expanding Man
The Olympus m4/3 12mm and 17mm f1.8 come equipped with a focusing ring that can be pulled back to switch to manual focusing, which then reveals depth of focus guides.
Otherwise, I agree with your post.
Fuji also did this on their 14 and 23 mm lenses. Whether they will do it on other lenses in the future, not sure.
Panasonic LX100, Sigma Foveon, Fuji X and Panasonic CM1