Tamron AF 18-270mm F/3.5-6.3 Di II VC LD Aspherical [IF] Macro Nikon on Nikon D7000 vs Sigma 24-70mm F2.8 IF EX DG HSM Nikon on Nikon D7000 vs Tamron AF18-200mm F/3.5-6.3 XR Di-II LD ASPHERICAL (IF) MACRO Pentax on Pentax K-5 II

COMPARISON SELECTION (3 selected items max.)
Tamron AF 18-270mm F/3.5-6.3 Di II VC LD Aspherical [IF] Macro Nikon
Tamron AF 18-270mm F/3.5-6.3 Di II VC LD Aspherical [IF] Macro Nikon

DXOMARK Score
Best at f=18mm & f/3.5 [?]
11

Lens Metric Scores

Sharpness [?]
6 P-Mpix
Transmission [?]
5.7 TStop
Distortion [?]
0.5 %
Vignetting [?]
-0.7 EV
Chr. aberration [?]
9 µm
Sigma 24-70mm F2.8 IF EX DG HSM Nikon
Sigma 24-70mm F2.8 IF EX DG HSM Nikon

DXOMARK Score
Best at f=24mm & f/2.8 [?]
15

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
3 TStop
Distortion [?]
0.2 %
Vignetting [?]
-0.5 EV
Chr. aberration [?]
8 µm
Tamron AF18-200mm F/3.5-6.3 XR Di-II LD ASPHERICAL (IF) MACRO Pentax
Tamron AF18-200mm F/3.5-6.3 XR Di-II LD ASPHERICAL (IF) MACRO Pentax

DXOMARK Score
Best at f=18mm & f/5.6 [?]
8

Lens Metric Scores

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