Pentax HD DA 15mm F4 ED AL Limited on Pentax K-50 vs Samyang 14mm f/2.8 IF ED UMC Aspherical Canon on Canon EOS 100D vs Sigma 14mm F2.8 EX Aspherical HSM Nikon on Nikon D7100

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

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

Lens Metric Scores

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

DXOMARK Score

Best at f=14mm & f/2.8 [?]
15

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
3.5 TStop
Distortion [?]
1.5 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
15 µm

DXOMARK Score

Best at f=14mm & f/4 [?]
13

Lens Metric Scores

Sharpness [?]
8 P-Mpix
Transmission [?]
3.6 TStop
Distortion [?]
0.6 %
Vignetting [?]
-1.2 EV
Chr. aberration [?]
9 µm