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Celestron was the first large scale commercial manufacturer of the Schmidt-Cassegrain telescope, introducing its "C8" 8" diameter 2032 mm focal length, ƒ10 telescope in 1970. [7] The primary innovation Celestron/Tom Johnson devised was a method to produce Schmidt corrector plates using a vacuum to pull the glass blanks into a pre-shaped curve ...
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.
Large UV Optical Infrared Surveyor (LUVOIR), a proposed space telescope for launch in the mid 2030s. MUltiplexed Survey Telescope (MUST), a 6.5 m spectroscopic survey telescope. [30] Chinese Giant Solar Telescope (CGST), an infrared and optical solar telescope, with light-gathering power equivalent to a 5 m diameter aperture. [31] [32]
The SkyScout was a handheld, battery powered device about 7.4" x 4.0" x 2.5", and weighing about 1 pound. It had a viewing port, a 3" x 1" LCD display on the side and several buttons for controlling and selecting device functions.
Comparison of nominal sizes of apertures of the above extremely large telescopes and some notable optical telescopes. An extremely large telescope (ELT) is an astronomical observatory featuring an optical telescope with an aperture for its primary mirror from 20 metres up to 100 metres across, [1] [2] when discussing reflecting telescopes of optical wavelengths including ultraviolet (UV ...
James Clerk Maxwell Telescope: 1987 Mauna Kea, Hawaii, US James Gregory Telescope: 1962 St. Andrews, UK James Webb Space Telescope: 2021 Earth–Sun L 2 Lagrangian point: James Wylie Shepherd Observatory: 2009 Montevallo, Alabama, US Jakarta Observatory: 1968 Jakarta, Indonesia Jantar Mantar: 1727 Jaipur, Rajasthan, India Jena Observatory: 1962 ...
Celestron $59 $88 Save $29 For the more hardcore eclipse watchers, we recommend these safe solar eclipse-viewing binoculars by telescope and binocular maker Celestron.
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]