Sigma 19mm F2.8 EX DN Micro 4/3 on Olympus OM-D E-M5 vs Panasonic Lumix G 20mm F1.7 II ASPH on Olympus OM-D E-M5 vs Sigma 30mm F2.8 DN A Mount 43 on Olympus OM-D E-M1 Mark II

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=19mm & f/2.8 [?]
16

Lens Metric Scores

Sharpness [?]
7 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
0.3 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
15 µm

DXOMARK Score

Best at f=20mm & f/1.7 [?]
20

Lens Metric Scores

Sharpness [?]
11 P-Mpix
Transmission [?]
2.1 TStop
Distortion [?]
1.6 %
Vignetting [?]
-1.9 EV
Chr. aberration [?]
7 µm

DXOMARK Score

Best at f=30mm & f/2.8 [?]
22

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
3.1 TStop
Distortion [?]
0.3 %
Vignetting [?]
-0.7 EV
Chr. aberration [?]
21 µm