Comparison of Wide Angle Lenses

I used three different lens, my Spiratone 18mm screw mount lens,
my Phoenix 19-35mm, MC Zenitar K2,8/16 Fisheye
Same positon all three shots


Pentax SMC F2 35mm
 
 


Spiratone 18mm Screw Mount wide angle
 
 


Russian MC Zenitar 16mm fisheye
 
 


Spiratone 18mm screw mount
 
 


Phoenix 19-35mm
 
 


Russian MC Zentar 16mm fisheye