Light drop off (Vignetting), Chromatic Aberration and Linear Distortion

Lens data from Imatest evaluation.

       
Olympus 75mm f/1.8
 Light Drop Off (EV) CA_area% Distortion  
1.8
1.02
0.011
    
2
0.65
0.010
    
2.8
0.27
0.007
    
4
0.10
0.008
 0.22% pincushion  
5.6
0.12
0.008
    
8
0.13
0.008
    
11
  
0.009
    
16
  
0.008
    
       
       
Panasonic 45-200 f/4-5.6 Light Drop Off (EV) CA_area% Distortion  
4.3
1.17
0.037
 
5.6
0.82
0.021
 
8
0.44
0.011
0.16% pincushion
  
11
0.013
 
16
0.014
 
         
         
Nikkor 85mm f/1.4 D AF Light Drop Off (EV) CA_area% Distortion  
1.4
0.64
0.034
 
2
0.2
0.033
 
2.8
0.13
0.029
 
4
0.14
0.029
0.08%barrel
  
5.6
0.15
0.034
 
8
0.15
0.036
 
11
0.038
 
16
0.038