IN accurate measurements of focal-lengths and the like, on an optical bench, it is customary to employ the points of pins mounted on adjustable stands. The lens under test has itself to be so mounted ...
(Nanowerk Spotlight) Optical lenses play a crucial role in a vast array of applications, from microscopy and astronomy to photography, medical devices, and machine vision systems. Traditionally, the ...
THE thirteenth Duddell Medal of the Physical Society was presented on February 7 to Dr. C. V. Drysdale, who is distinguished for his outstanding work in connexion with electrical and optical ...
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