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Barrel distortion

This is where straight lines near the edge of the picture appear to bow outwards, and you see this a lot with zoom lenses at their wideangle setting. It’s most noticeable if the horizon is near the top or bottom of the picture. Barrel distortion is very difficult to eradicate completely from the lens design, but it can be fixed using software, and some cameras now have distortion correction built in. It’s one of a number of common lens aberrations. Telephoto lenses often show the opposite effect, ‘pincushion 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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The best image-editing software: what to look for, where to find out more

November 2, 2020

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November 2, 2020

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October 9, 2020

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