Canon EF 28-300mm f/3.5-5.6L IS USM on Canon EOS 1Ds Mark III vs Tamron AF 28-300mm F/3.5-6.3 XR Di VC LD Aspherical [IF] Macro Canon on Canon EOS 5DS R

COMPARISON SELECTION (3 selected items max.)
Canon EF 28-300mm f/3.5-5.6L IS USM
Canon EF 28-300mm f/3.5-5.6L IS USM

DXOMARK Score
Best at f=28mm & f/4 [?]
14

Lens Metric Scores

Sharpness [?]
12 P-Mpix
Transmission [?]
5.7 TStop
Distortion [?]
0.5 %
Vignetting [?]
-1.2 EV
Chr. aberration [?]
12 µm
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/3.5 [?]
17

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
5.9 TStop
Distortion [?]
0.7 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
18 µm