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Edmund Scientific Corporation, based in Barrington, New Jersey, was founded in 1942 as a retailer of surplus optical parts like lenses.It later branched out into complete systems like telescopes and microscopes, and in the 1960s, a wide variety of science toys and kits.
After developing aberration correctors as modifications for microscopes, Nion developed their first microscope, called UltraSTEM 1, [4] a new aberration corrected microscope with resolution capability below one Angstrom. [5] [6] In 2008, Nion unveiled the SuperSTEM 2, which provided 20 million times magnification.
FEI Company (Field Electron and Ion Company) was an American company that designed, manufactured, and supported microscope technology.Headquartered in Hillsboro, Oregon, FEI had over 2,800 employees and sales and service operations in more than 50 countries around the world.
A 3.5" convertible model that came with two barrels: the standard one, and a separate longer barrel, which could be screwed onto the duplex fork mount in place of the standard one, and used as a distance microscope. This variant came with the standard accessories, and a separate case containing the distance microscope barrel assembly.
The predecessor of Celestron was Valor Electronics, an electronics and military components firm founded in 1955 by Tom Johnson. [1] [2] [3] Johnson became involved with telescopes when he built a 6" reflecting telescope for his two sons. [2] In 1960, Johnson established the "Astro-Optical" division of Valor, which would later become Celestron. [3]
The JEM-7, in 1964, was the first electronic microscope to include a mechanism for the electrical adjustment of the lens axis. The JEM-100B incorporated an electromagnetic deflection unit as well as an electromagnetic stigmator. The first photomicrograph of atomic arrangement in the world was taken by a JEOL electron microscope, in 1976. [12]
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