Definition: An achromatic lens can be defined as a lens which is made by a combination of two different types of lenses carrying different focal powers in a manner such that the images formed by the ...

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Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 13 years, which has given me a front row seat for the DSLR to mirrorless transition, the ...

The authors proposed to cascade N polarization-multiplexed metasurfaces for 2 N electrically switchable channels without intrinsic loss or cross-talk. A 3-layer setup with 8 channels for beam ...

The best photographic filters are still staples in the photographer’s kit bag. You might think that surely we can do it all with software now, surely there' no longer any need to be screwing bits of ...