Top left corner
A tough spot.
- At f/2.8, none of the zoom lenses produce a sharp image but all are usable (for a corner). The 28/2 is completely smeared.
- At f/4, the 16-35 is wide open, but still trounces the other zooms, which is not to say is image is perfect, but it’s very good.
- At f/5.6, the 16-35 maintains its lead, none of the other lenses can match it, though all have improved.
- At f/8, the 16-35 is crisp with high contrast. The 28-70 delivers the next best image, with the 17-35 and 24-70 remaining soft at upper left, but otherwise showing good contrast.
- At f/11, the 17-35, 24-70 and 28/2 improve at top left.
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