Pentax smc PENTAX DA 50-200mm F4-5.6 ED on Pentax K-50 vs Canon EF-S 55-250mm f/4-5.6 IS II on Canon EOS 7D Mark II

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=80mm & f/4.5 [?]
12

Lens Metric Scores

Sharpness [?]
5 P-Mpix
Transmission [?]
5.2 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1 EV
Chr. aberration [?]
7 µm

DXOMARK Score

Best at f=55mm & f/4 [?]
13

Lens Metric Scores

Sharpness [?]
6 P-Mpix
Transmission [?]
5.1 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1 EV
Chr. aberration [?]
7 µm