Tag Archives: Camera

Why don't round lenses produce round images?

Why do cameras make square or rectangular photos?

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To find out more:

Chromatic aberration –

How cameras work –

A quick video showing you how the mirror flip in an old SLR camera happens –

Photo credits:

Chromatic aberration flower – EricFrederich
Creative Commons Attribution-ShareAlike 3.0

Absorption spectrum of a few elements

Almuazi / CC BY-SA (

Sellmeier equation – Maksim

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Cheetah – Joshua Burke

Creative Commons Attribution-ShareAlike 3.0

Science, ASK., Camera, Photograph, Understanding, Technology, Physics, Light, Refraction, Snell’s Law, Vsauce, Veritasium, Mark Rober, Minute Physics, Chromatic Aberration