These samples
were taken indoors using natural light from a window - treated the
same way as the other samples, I have only shown the edge definition
in this case - central definition seems to be pretty good for all
lenses.
24mm
Edge
of Image
17-35 AFS
24 - 85 f2.8
24-120 AFS VR
35mm
Edge
of Image
17-35 AFS
24_85 f2.8
24-120 AFS VR
85mm
Edge
of Image
24-85 f2.8
24-120 AFS VR
120mm
Edge
of Image
24-120 AFS VR
The following
are the originals - converted to jpg and reduced to 700 pixels