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Optics is the study of light, and its interaction with matter. It includes topics such as imaging systems, fiber optics, lasers, quantum optics, and more.

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Intrigued about a polarizer effect

What you are seeing is likely the result of the the light becoming polarized by virtue of the fact that it is now entering the surface of the tilted glass filter at something other than a 90° angle. W …
Bill Slugg's user avatar
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Is it possible to make glasses that make everything brighter, but do not magnify or focus?

The "speed" of a photographic lens, and the brightness of the image produced by any lens is determined by a single number - the focal ratio. That is the ratio of 1) the distance between the lens and t …
Bill Slugg's user avatar