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You are here: Home / Archives for Pincushion distortion

Pincushion distortion

This is a type of distortion where straight lines near the edge of the picture appear to bow inwards. It’s not as common as barrel distortion, but you do see it quite a lot with telephoto zoom lenses when the lens is set to its maximum focal length. You may not notice it with many types of subject, but it can apply distortion correction with software later anyway.

Lens aberrations and what you can do about them

September 14, 2019 by Rod Lawton

No lens is optically perfect. In the ideal world, every lens would produce a sharp, undistorted, evenly illuminated image that’s sharp from edge to edge. Some lenses come close, but the fact is that lens designers have to work within the limitations of the laws of physics and the glass materials they have available, and […]

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