Photo Workshop
Lens Distortion Part One



PW09

ef100-300@100 - 28.7k ef100-300@200 - 28.7k

Canon EF100-300USM @100
Negligible distortion

Canon EF100-300USM @200
Pincushion

ef100-300@300 - 23.3k ef300@f4 - 27k

Canon EF100-300USM @300
Moderate pincushion

Canon EF300 @f4
Negligible distortion; slight pincushion


20-35@20 - 24k Canon 20-35@28 - 27K

Canon EF20-35 @20
Pronounced barrel distortion

Canon EF20-35 @28
Negligible distortion
(Plane of film not parallel to target)

Canon 20-35@35 - 22k

Canon EF20-35 @35
Negligible distortion
(Plane of film not parallel to target)




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Copyright 1998 Buddy & Hallie du Preez; all rights reserved