Tamron AF 28-300mm F/3.5-6.3 XR Di VC LD Aspherical [IF] Macro Canon on Canon EOS 1Dx vs Olympus M.ZUIKO DIGITAL ED 12-40mm F2.8 PRO on Olympus OM-D E-M1

COMPARISON SELECTION (3 selected items max.)
Tamron AF 28-300mm F/3.5-6.3 XR Di VC LD Aspherical [IF] Macro Canon
Tamron AF 28-300mm F/3.5-6.3 XR Di VC LD Aspherical [IF] Macro Canon

DXOMARK Score
Best at f=28mm & f/5.6 [?]
14

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
5.9 TStop
Distortion [?]
0.7 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
18 µm
Olympus M.ZUIKO DIGITAL ED 12-40mm F2.8 PRO
Olympus M.ZUIKO DIGITAL ED 12-40mm F2.8 PRO

DXOMARK Score
Best at f=12mm & f/2.8 [?]
20

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
1.3 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
10 µm