Canon EF 16-35mm f/2.8L III USM on Canon EOS 5DS R vs Tamron SP 15-30mm F/2.8 Di VC USD (Model A012) Canon on Canon EOS 5DS R vs Sony FE 16-35mm F2.8 GM on Sony A7R II

COMPARISON SELECTION (3 selected items max.)
Canon EF 16-35mm f/2.8L III USM
Canon EF 16-35mm f/2.8L III USM

DXOMARK Score
Best at f=16mm & f/2.8 [?]
34

Lens Metric Scores

Sharpness [?]
24 P-Mpix
Transmission [?]
3.1 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.7 EV
Chr. aberration [?]
12 µm
Tamron SP 15-30mm F/2.8 Di VC USD (Model A012) Canon
Tamron SP 15-30mm F/2.8 Di VC USD (Model A012) Canon

DXOMARK Score
Best at f=15mm & f/2.8 [?]
32

Lens Metric Scores

Sharpness [?]
23 P-Mpix
Transmission [?]
3.1 TStop
Distortion [?]
0.5 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
10 µm
Sony FE 16-35mm F2.8 GM
Sony FE 16-35mm F2.8 GM

DXOMARK Score
Best at f=24mm & f/2.8 [?]
42

Lens Metric Scores

Sharpness [?]
34 P-Mpix
Transmission [?]
2.9 TStop
Distortion [?]
0.5 %
Vignetting [?]
-1.5 EV
Chr. aberration [?]
6 µm