Sony DT 18-135mm f/3.5-5.6 SAM on Sony SLT Alpha 77 vs Sony DT 18-200mm F3.5-6.3 on Sony SLT Alpha 77 vs Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical [IF] Nikon on Nikon D7100

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=18mm & f/4 [?]
12

Lens Metric Scores

Sharpness [?]
7 P-Mpix
Transmission [?]
5 TStop
Distortion [?]
0.5 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
7 µm

DXOMARK Score

Best at f=24mm & f/4 [?]
9

Lens Metric Scores

Sharpness [?]
7 P-Mpix
Transmission [?]
5.6 TStop
Distortion [?]
0.5 %
Vignetting [?]
-0.6 EV
Chr. aberration [?]
11 µm

DXOMARK Score

Best at f=24mm & f/3.5 [?]
18

Lens Metric Scores

Sharpness [?]
12 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1 EV
Chr. aberration [?]
5 µm