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by formerly_proven 565 days ago
GP had it exactly right, perspective distortion ONLY depends on the distance between objects to the camera (entrance pupil). The focal length literally does not matter at all.

(This is an interesting point of contention, because conventional wisdom up until a few years ago was exactly what you said, and relaying what GP said got you tarred and feathered as an imbecile in the usual "photog forums". It's also one of these things which were never in doubt at all, and are very easy to check for yourself.)

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