Olympus M.ZUIKO DIGITAL ED 12-40mm F2.8 PRO on Olympus PEN E-P5 vs Nikon AF-S DX Zoom-Nikkor 17-55mm f/2.8G IF-ED on Nikon D7100 vs Canon EF-S 17-55mm f/2.8 IS USM on Canon EOS 7D Mark II

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=12mm & f/2.8 [?]
20

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
1.3 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
10 µm

DXOMARK Score

Best at f=28mm & f/2.8 [?]
19

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
3.4 TStop
Distortion [?]
0.4 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
14 µm

DXOMARK Score

Best at f=35mm & f/2.8 [?]
16

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
3.7 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.2 EV
Chr. aberration [?]
6 µm