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Radial Distortion 1
Quadratic radial lens distortion coefficient. Positive values produce pincushion distortion. Negative values produce barrel distortion.



+0.3  / -0.3


Radial Distortion 2
Quartic radial lens distortion coefficient. Positive values produce pincushion distortion. Negative values produce barrel distortion.




+0.3  / -0.3


Asymmetric Distortion X
Distortion applied only in the X direction. Horizontal lines will remain straight. Positive values produce pincushion-like distortion. Negative values produce barrel-like distortion.




+0.3  / -0.3

Asymmetric Distortion Y
Distortion applied only in the Y direction. Vertical lines will remain straight. Positive values produce pincushion-like distortion. Negative values produce barrel-like distortion.




+0.3  / -0.3

Anamorphic Squeeze

Anamorphic lens squeeze. Values greater than one decrease the effect of the lens distortion in the X direction. Values less than one increase it.


The image above has an Asymmetric Distortion X value of 0.3 and an anamorphic squeeze value of 1



And above, these images have an anamorphic squeeze value of 0.5 and 1.5