| 4.8. Lens Distortion | ||
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4. Distort Filters |  |
| 4.8. Lens Distortion | ||
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4. Distort Filters | |
This filter lets you simulate but also correct the typical distortion effect introduced in photo images by the glasses contained in the camera lenses.
The allowed range of all options is from -100.0 to 100.0.
The result of your settings will appear in the Preview without affecting the image until you click on .
The amount of spherical correction to introduce. Positive values make the image convex while negative ones make it concave. The whole effect is similar to wrapping the image inside or outside a sphere.
Specifies the amount of additional spherical correction at image edges.
Specifies the amount of the image enlargement or reduction caused by the hypothetical lens.
The amount of the “vignetting” effect: the brightness decrease/increase due to the lens curvature that produces a different light absorption.
The Main or Edge options must be non zero for this option to produce noticeable results.
These two options specify the shift of the image produced by not perfectly centered pairs of lenses.
As above this option produces visible results only if the Main or Edge options are non zero.
