Canon EF-S 18-135mm f/3.5-5.6 IS on Canon EOS 70D vs Olympus M.ZUIKO DIGITAL ED 12-40mm F2.8 PRO on Olympus OM-D E-M1 Mark II vs Panasonic LUMIX G X VARIO 35-100mm / F2.8 / POWER O.I.S. on Olympus OM-D E-M1 Mark II

COMPARISON SELECTION (3 selected items max.)
Canon EF-S 18-135mm f/3.5-5.6 IS
Canon EF-S 18-135mm f/3.5-5.6 IS

DXOMARK Score
Best at f=24mm & f/4 [?]
12

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
5.1 TStop
Distortion [?]
0.6 %
Vignetting [?]
-1 EV
Chr. aberration [?]
9 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=25mm & f/2.8 [?]
25

Lens Metric Scores

Sharpness [?]
12 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
1.3 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
10 µm
Panasonic LUMIX G X VARIO 35-100mm / F2.8 / POWER O.I.S.
Panasonic LUMIX G X VARIO 35-100mm / F2.8 / POWER O.I.S.

DXOMARK Score
Best at f=50mm & f/2.8 [?]
23

Lens Metric Scores

Sharpness [?]
13 P-Mpix
Transmission [?]
3.2 TStop
Distortion [?]
0.8 %
Vignetting [?]
-1 EV
Chr. aberration [?]
9 µm