Canon EF 50mm f/1.8 II on Canon EOS 70D vs Olympus M. Zuiko Digital ED 45mm f1.8 on Olympus OM-D E-M5 vs Nikon AF Nikkor 50mm f/1.8D on Nikon D7100

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=50mm & f/2.8 [?]
20

Lens Metric Scores

Sharpness [?]
12 P-Mpix
Transmission [?]
2.2 TStop
Distortion [?]
0.2 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
6 µm

DXOMARK Score

Best at f=45mm & f/1.8 [?]
23

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
2.1 TStop
Distortion [?]
0.1 %
Vignetting [?]
-0.7 EV
Chr. aberration [?]
4 µm

DXOMARK Score

Best at f=50mm & f/2.8 [?]
20

Lens Metric Scores

Sharpness [?]
13 P-Mpix
Transmission [?]
2 TStop
Distortion [?]
0 %
Vignetting [?]
-0.7 EV
Chr. aberration [?]
7 µm