Plate from 18th century encyclopedia showing illustrations of microscope optics and apparatus. Several technical innovations make microscopes better a

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Plate from 18th century encyclopedia showing illustrations of microscope optics and apparatus. Several technical innovations make microscopes better and easier to handle, which leads to microscopy becoming more and more popular among scientists. An important discovery is that lenses combining two types of glass could reduce the chromatic effect, with its disturbing halos resulting from differences in refraction of light.

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Size: 4541px × 5217px
Photo credit: © DAVID PARKER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: aberation, chromatic, colour, distance, encyclopedia, focal, focus, glass, halo, illuminator, illustration, length, lens, lenses, light, microscope, microscopy, objective, optics, raypath, rays, reflector, refraction, spectrum