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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.
F8 Mount, telescope, M1 (for 37mm gun carriage, M1); Telescope, M2 (for 37mm gun carriage, M1) – Parts and equipment; F9 Telescope B.C. M1915, and M1915A1; F10 bore sight, (small arms, and field artillery) F11 Setter Fuze, Bracket, M1916, M1916A1, M1916A2; F12 Targets, testing (small arms and field artillery) – parts; F13 Gunners Quadrant ...
Star Diagonal: Used to change the angle of the light coming out of a telescope, for easier viewing. Herschel Wedge: Similar to a star diagonal with a wedge-shaped unsilvered prism reflector that reduces incoming light by up to 95% for solar viewing. Coma corrector a correcting lens used to reduce coma distortion in fast reflecting telescopes.
Amateur telescope makers (sometimes called ATMs) build their instruments for personal enjoyment of a technical challenge, as a way to obtain an inexpensive or personally customized telescope, or as a research tool in the field of astronomy. Amateur telescope makers are usually a sub-group in the field of amateur astronomy.
The Meade Instruments (also shortened to Meade) was an American multinational company headquartered in Watsonville, California, that manufactured, imported and distributed telescopes, binoculars, spotting scopes, microscopes, CCD cameras, and telescope accessories for the consumer market. [2]
The Corrective Optics Space Telescope Axial Replacement (COSTAR) is an optical correction instrument designed and built by NASA. It was created to correct the spherical aberration of the Hubble Space Telescope ' s primary mirror , which incorrectly focused light upon the Faint Object Camera (FOC), Faint Object Spectrograph (FOS), and Goddard ...
Spectrography setup with autoguider (the autoguider camera body is attached to the finderscope, top right, and the guiding computer, bottom right).. An autoguider is an automatic electronic guidance tool used in astronomy to keep a telescope pointed precisely at an object being observed.
Their first telescopes (4.5" (114 mm) -Newtonians) were distributed by Celestron and Tasco. In 1993, the first refracting telescopes were produced. In 1999, the brand Sky-Watcher was established by Synta Taiwan to sell optics produced by Suzhou Synta. The head office was in Richmond, British Columbia, Canada.