Canon EF 75-300mm f/4-5.6 III USM on Canon EOS 7D vs Canon EF-S 55-250mm f/4-5.6 IS STM on Canon EOS 7D Mark II

COMPARISON SELECTION (3 selected items max.)

DxOMark Score

Best at f=100mm & f/4.5 [?]
12

Lens Metric Scores

Sharpness [?]
6 P-Mpix
Transmission [?]
5.4 TStop
Distortion [?]
0.2 %
Vignetting [?]
-0.5 EV
Chr. aberration [?]
9 µm

DxOMark Score

Best at f=135mm & f/5 [?]
13

Lens Metric Scores

Sharpness [?]
7 P-Mpix
Transmission [?]
5.2 TStop
Distortion [?]
0.2 %
Vignetting [?]
-1.3 EV
Chr. aberration [?]
7 µm