Canon EF 75-300mm f/4-5.6 III USM on Canon EOS 760D vs Nikon AF Zoom-Nikkor 70-300mm f/4-5.6D ED on Nikon D5300 vs Pentax smc PENTAX DA 55-300mm F4-5.8 ED on Pentax K-3

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=100mm & f/4.5 [?]
13

Lens Metric Scores

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

DXOMARK Score

Best at f=100mm & f/4 [?]
16

Lens Metric Scores

Sharpness [?]
8 P-Mpix
Transmission [?]
5.1 TStop
Distortion [?]
0.2 %
Vignetting [?]
-0.5 EV
Chr. aberration [?]
8 µm

DXOMARK Score

Best at f=300mm & f/5.8 [?]
14

Lens Metric Scores

Sharpness [?]
7 P-Mpix
Transmission [?]
5.1 TStop
Distortion [?]
0.4 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
9 µm