Parece que aquela historia de resolução das lentes vs o sensor tem fundamento.
A canon montou uma lista e deixou algumas lentes "famosas" de fora, como a 28mm 1.8, 16-35mm 2.8, 17-40mm e 24-105mm.
Zoom Lenses
EF 8-15mm f/4L Fisheye USM
EF 11-24mm f/4L USM
EF 16-35mm f/4L IS USM
EF 24-70mm f/2.8L II USM
EF 24-70mm f/4L IS USM
EF 70-200mm f/2.8L IS II USM
EF 70-200mm f/4L USM
EF 70-300mm f/4-5.6L IS USM
EF 100-400mm f/4.5-5.6L IS II USM
EF 200-400mm f/4L IS USM EXTENDER 1.4x
Wide Angle Primes
TS-E 17mm f/4L
TS-E 24mm f/3.5L II
EF 24mm f/1.4L II USM
EF 24mm f/2.8 IS USM
EF 28mm f/2.8 IS USM
EF 35mm f/2 IS USM
Standard Primes
EF 40mm f/2.8 STM
EF 50mm f/1.2L USM
EF 50mm f/1.4 USM
EF 50mm f/1.8 II
EF 50mm f/2.5 Compact Macro
Telephoto Primes
EF 85mm f/1.2L II USM
EF 85mm f/1.8 USM
TS-E 90mm f/2.8
EF 100mm f/2 USM
EF 100mm f/2.8 Macro USM
EF 100mm f/2.8L Macro IS USM
EF 135mm f/2.0L USM
EF 200mm f/2L II USM
EF 200mm f/2.8L II USM
EF 300mm f/2.8L IS II USM
EF 400mm f/2.8L IS II USM
EF 400mm f/4 DO IS II USM
EF 500mm f/4L IS II USM
EF 600mm f/4L IS II USM
EF 800mm f/5.6L IS USM
http://www.slrlounge.com/canon-announces-new-list-of-recommended-lenses-for-new-5ds/