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L7-43: TELEPHOTO LENS MODEL - POINT SOURCE 7 years 4 months ago #1616

  • daetwyler
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This demonstration serves as a model of the assembly and function of a telephoto lens attachment. A point source with a small crossarm baffle serves as an object imaged by a sequence of lenses – a 150mm focal length converging lens, a -100mm focal length diverging lens, and a 300mm focal length converging lens, to focus on a distant screen. Other lens combinations can be available upon request.

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