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p.1 #3 · p.1 #3 · Returning my 20mm f/1.8g due to very bad distortion. | |
Uhm.
Any wide angle lens creates PERSPECTIVE distortion, which stretches objects towards the edges of the frame. You can't avoid that. No wide lens does NOT do that. It's not a flaw. It's not corrected by anyone or anything because it's not a defect, it's how wide angle lenses handle things.
Other distortion (barrel, pincushion, etc.) is visible by how straight lines bend in the image, e.g. the ceiling edges, other linear objects producing horizontal or vertical lines in an image will show that kind of distortion. This is corrected pretty much automatically in many modern editing apps.
If you don't like perspective distortion, use longer lenses.
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