Pentax smc DA 21mm F3.2 AL Limited on Pentax K-5 vs Carl Zeiss Distagon T 21mm f/2.8 ZF2 Nikon on Nikon D7000

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=21mm & f/5.6 [?]
14

Lens Metric Scores

Sharpness [?]
7 P-Mpix
Transmission [?]
3.5 TStop
Distortion [?]
0.6 %
Vignetting [?]
-1.2 EV
Chr. aberration [?]
17 µm

DXOMARK Score

Best at f=21mm & f/4 [?]
16

Lens Metric Scores

Sharpness [?]
8 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
0.5 %
Vignetting [?]
-1 EV
Chr. aberration [?]
5 µm