Image:Red dot sight principle.png

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[edit] Summary

A diagram showing how a lens can produce a virtual image, and then showing how a red dot sight uses a collimated virtual image of the reticle to produce the illusion of the dot at infinity.

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Date/TimeDimensionsUserComment
current19:18, 30 April 2008357×346 (7 KB)Fluzwup (Talk | contribs) (A diagram showing how a lens can produce a virtual image, and then showing how a red dot sight uses a collimated virtual image of the reticle to produce the illusion of the dot at infinity.)

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