Aberration XY =  Created by webMathematica  

Aberration Polar =  Created by webMathematica

Created by webMathematica

Created by webMathematica

Aberration
Created by webMathematica

Reverse Shear X-Y
Created by webMathematica

   

Created by webMathematica

Created by webMathematica

Reverse Shear X
Created by webMathematica

Reverse Shear Y
Created by webMathematica