Sony FE Carl Zeiss Vario-Tessar T* 24-70mm F4 ZA OSS on Sony A7R vs Olympus M.ZUIKO DIGITAL ED 12-40mm F2.8 PRO on Panasonic Lumix DMC GH2 vs Nikon AF-S DX Zoom-Nikkor 17-55mm f/2.8G IF-ED on Nikon D300

COMPARISON SELECTION (3 selected items max.)
Sony FE Carl Zeiss Vario-Tessar T* 24-70mm F4 ZA OSS
Sony FE Carl Zeiss Vario-Tessar T* 24-70mm F4 ZA OSS

DXOMARK Score
Best at f=35mm & f/4 [?]
25

Lens Metric Scores

Sharpness [?]
15 P-Mpix
Transmission [?]
4.4 TStop
Distortion [?]
1 %
Vignetting [?]
-1.7 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 [?]
18

Lens Metric Scores

Sharpness [?]
8 P-Mpix
Transmission [?]
3.2 TStop
Distortion [?]
1.2 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
10 µm
Nikon AF-S DX Zoom-Nikkor 17-55mm f/2.8G IF-ED
Nikon AF-S DX Zoom-Nikkor 17-55mm f/2.8G IF-ED

DXOMARK Score
Best at f=35mm & f/2.8 [?]
12

Lens Metric Scores

Sharpness [?]
5 P-Mpix
Transmission [?]
3.1 TStop
Distortion [?]
0.4 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
14 µm