As frustrating as having an atmosphere can be for physicists, it’s just as bad for astronomers, who have to deal with clouds, atmospheric absorption of certain wavelengths, and other irritations. One ...
1.1mm-thick: 1λ over 10mm dia. 3/6mm-thick: 2λ over 25mm dia. Quality is the driving force behind Knight Optical, and to ensure you profit from high-precision optics, we take the utmost care to ensure ...
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