Pentax smc DA 21mm F3.2 AL Limited on Pentax K-3 vs Pentax HD DA 15mm F4 ED AL Limited on Pentax K-5 IIs vs Ricoh GR Lens on Ricoh GR

COMPARISON SELECTION (3 selected items max.)
Pentax smc DA 21mm F3.2 AL Limited
Pentax smc DA 21mm F3.2 AL Limited

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

Lens Metric Scores

Sharpness [?]
11 P-Mpix
Transmission [?]
3.5 TStop
Distortion [?]
0.6 %
Vignetting [?]
-1.2 EV
Chr. aberration [?]
17 µm
Pentax HD DA 15mm F4 ED AL Limited
Pentax HD DA 15mm F4 ED AL Limited

DXOMARK Score
Best at f=15mm & f/5.6 [?]
15

Lens Metric Scores

Sharpness [?]
8 P-Mpix
Transmission [?]
4.3 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
12 µm
Ricoh GR Lens
Ricoh GR Lens

DXOMARK Score
Best at f=18.3mm & f/2.8 [?]
21

Lens Metric Scores

Sharpness [?]
13 P-Mpix
Transmission [?]
Not available
Distortion [?]
0.3 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
11 µm