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Chapter 7. Working with Adjustment Layer... > Working with the Lens Correction Fil...

Working with the Lens Correction Filter

The Lens Correction filter () fixes flaws when shooting images, such as barrel and pincushion distortion, vignetting; even chromatic aberration. Barrel distortion causes straight lines to bow out toward the edges of the image. On the other hand, Pincushion distortion has the opposite effect (straight lines bend inward). Vignetting is a defect where edges of an image are darker than the center. Chromatic aberration appears as a fringe of color along the edges of objects caused by the lens focusing on different colors of light in different planes. In addition, you can use the Lens Correction filter to rotate an image or fix perspective caused by tilting the camera. Although some of these corrections can be made with the Transform command, the image grid makes adjustments easier.


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