Fish-eye view, illustration

Numéro d’image : 13377626
Fish-eye view, illustration
Fish-eye view. Illustration showing how refraction of light allows a fish to see a wide-angled view above the surface of the water. Light travels at different velocities in different media, and as a light ray passes from one medium to another it appears to bend. As light travels more slowly in water than in air, light bends and the images of objects above the surface are displaced into the fish's field of vision, within a cone of 98 degrees. Outside this angle (twice the critical angle for water), light from objects inside the pond is reflected back from the surface.
Licence : Droits gérés
Crédit: Science Photo Library
Taille de l’image : 4181 px × 4181 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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