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Converging Lens Ray Trace

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Author: s_noonan

Group: Technical

Filesize: 32.58 kB

Date added: 2015-11-05

Rating: 5

Downloads: 303

Views: 221

Comments: 3

Ratings: 1

Times favored: 0

Made with: Algodoo v2.1.0

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[youtube]http://www.youtube.com/watch?v=_LTffEMF5qI&index=19&list=PLX2gX-ftPVXWA5TjEhVQSQQzZ-5_5Nui8[/youtube]
Last edited at 2016/07/02 20:18:10 by s_noonan
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Thanks. I checked out the link and agree with almost everything the author mentioned except for

"...if half the lens is covered, half of the image will vanish. Wrong! In reality, if half of the lens is covered, the entire image will become half as bright, but no part of the image will be missing."

I'm not sure this is true in all cases.
Actually, according to my own experiments that I've done with lenses about a year ago, he is correct about that.

I've read where some very smart people (much smarter than I am) equated a lens to a device that does a Fourier transform on the image. They go on to say that untransformed images that are all around us are in the form of a hologram. Therefore, a lens (our eye) is required to transform that holographic image into an image that we can see with our brain. That makes sense to me even though the math to prove it is WAY over my head.