Pentax smc DA Star 55mm F1.4 SDM on Pentax K-5 vs Nikon AF-S Nikkor 50mm f/1.4G on Nikon D7000 vs Canon EF 50mm f/1.4 USM on Canon EOS 7D

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=55mm & f/2 [?]
20

Lens Metric Scores

Sharpness [?]
8 P-Mpix
Transmission [?]
1.7 TStop
Distortion [?]
0.2 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
8 µm

DXOMARK Score

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

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
1.6 TStop
Distortion [?]
0.2 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
9 µm

DXOMARK Score

Best at f=50mm & f/1.4 [?]
19

Lens Metric Scores

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