These charts, especially that from the TS-E 135mm f/4L, should make you say "Wow!" Find all of Canon's current TS-E lens MTF charts along with some other models in comparison format here:
Canon TS-E 50mm f/2.8L Tilt-Shift Macro Lens
Canon TS-E 90mm f/2.8L Tilt-Shift Macro Lens
Canon TS-E 135mm f/4L Tilt-Shift Macro Lens
Perhaps now we know why these lenses are priced are so high.
Preorders for All New Canon Products
Canon EF 85mm f/1.4L IS USM Lens - B&H | Amazon | Adorama | Wex Photographic
Canon TS-E 50mm f/2.8L Macro Tilt-Shift Lens - B&H | Amazon | Adorama | Wex Photographic
Canon TS-E 90mm f/2.8L Macro Tilt-Shift Lens - B&H | Amazon| Adorama | Wex Photographic
Canon TS-E 135mm f/4L Macro Tilt-Shift Lens - B&H | Amazon | Adorama | Wex Photographic
Canon Macro Twin-Lite MT-26EX-RT Flash - B&H | Amazon | Adorama
Canon EOS M100 - B&H | Amazon | Adorama | Wex Photographic