The zooming-speed illusion: A meta illusion?

A movie taken from the front window of a running train, with zooming in and out, has been popularly acknowledged as a perceptual illusion such that the train motion is perceived as much slower when zoomed in. This is, however, not a real illusion because the image speed varies as a function of the f...

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Bibliographic Details
Published ini-Perception (London) Vol. 14; no. 4; p. 20416695231187800
Main Authors Ashida, Hiroshi, Kitaoka, Akiyoshi
Format Journal Article
LanguageEnglish
Published London, England SAGE Publications 01.07.2023
Sage Publications Ltd
SAGE Publishing
Subjects
Optical illusions
Short and Sweet
Visual perception
zoom lens
motion
speed
illusion
Online AccessGet full text
ISSN2041-6695
2041-6695
DOI10.1177/20416695231187800

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Summary:A movie taken from the front window of a running train, with zooming in and out, has been popularly acknowledged as a perceptual illusion such that the train motion is perceived as much slower when zoomed in. This is, however, not a real illusion because the image speed varies as a function of the focal length of the lens. This could be a meta-illusion, that is, an illusory sense of illusion, that might reflect a lack of understanding of how zooming changes the geometrical structure of the image.
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ISSN:2041-6695
2041-6695
DOI:10.1177/20416695231187800