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Distortion

Distortion is a general term for when lenses fail to show straight lines as straight and instead show them as curve or bowed. You can get barrel distortion, where straight lines appear to bow outwards towards the edges of the picture, and pincushion distortion where they bow inwards. Fisheye distortion is an extreme example with extreme wideangle lenses where no attempt is made to correct the distortion.

Lens aberrations and what you can do about them

May 26, 2020 by Life after Photoshop

Aberrations, or optical imperfections, exist because no lens is optically perfect. Almost all lenses show aberrations from the ‘perfect’ image.

Filed Under: Editing A-Z, Featured, General Tagged With: Aberrations, Axial chromatic aberration, Barrel distortion, Chromatic aberration, Color fringing, Corner shading, Diffraction, Distortion, Lateral chromatic aberration, Lens corrections, Lens profile, Pincushion distortion, Vignetting

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