Tamron SP 24-70mm F2.8 Di VC USD Canon on Canon EOS 6D vs Canon EF-S 17-55mm f/2.8 IS USM on Canon EOS 7D Mark II vs Panasonic LUMIX G X VARIO 12-35mm / F2.8 ASPH. / POWER O.I.S. on Olympus OM-D E-M1

COMPARISON SELECTION (3 selected items max.)
Tamron SP 24-70mm F2.8 Di VC USD Canon
Tamron SP 24-70mm F2.8 Di VC USD Canon

DXOMARK Score
Best at f=24mm & f/2.8 [?]
26

Lens Metric Scores

Sharpness [?]
16 P-Mpix
Transmission [?]
2.9 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1.3 EV
Chr. aberration [?]
6 µm
Canon EF-S 17-55mm f/2.8 IS USM
Canon EF-S 17-55mm f/2.8 IS USM

DXOMARK Score
Best at f=35mm & f/2.8 [?]
16

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
3.7 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.2 EV
Chr. aberration [?]
6 µm
Panasonic LUMIX G X VARIO 12-35mm / F2.8 ASPH. / POWER O.I.S.
Panasonic LUMIX G X VARIO 12-35mm / F2.8 ASPH. / POWER O.I.S.

DXOMARK Score
Best at f=25mm & f/2.8 [?]
19

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
3.1 TStop
Distortion [?]
0.9 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
11 µm