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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 ...
The Celestron SkyScout was a model of handheld consumer electronic instrument for astronomical orientation and education, similar to the competitor product mySky by ...
Thomas Jasper Johnson or Tom Johnson (January 11, 1923 – March 13, 2012) [1] was an American electronics engineer and astronomer who founded Celestron, a company which manufacturers telescopes, which revolutionized the amateur astronomy industry and hobby.
Synta Technology Corporation was founded in Taoyuan, Taiwan around 1980 by mechanical and optical designer Dazhong Shen, (a/k/a David Shen). In 1992 Synta, along with Canadian investors, established the Suzhou Synta Optical Technology Co., Ltd in Suzhou (Jiangsu), China (outside Shanghai) as a manufacturing facility producing telescopes for Celestron and Tasco.
In 1999, the Sky-Watcher brand was established to sell Synta Taiwan's optics, with head offices in Richmond, British Columbia, Canada.They began producing Dobsonian telescopes in 2000, followed by Maksutov–Cassegrains in 2001, and Apochromat ED-APO refracting telescopes in 2004.
There are only a few sites capable of polishing the mirrors for these telescopes. SAGEM in France polished the four VLT mirrors, the two Gemini mirrors, and the 36 segments for GTC. [18] The Steward Observatory Mirror Lab cast and polished the two LBT mirrors, the two Magellan mirrors, the MMT replacement mirror, and the LSST primary/tertiary ...
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In June 1998, Tasco purchased Celestron, another telescope manufacturer which focused on performance optical equipment and the more serious observer. Celestron was second only to Meade Instruments Corporation in sales of telescopes. [9] Early in 2001, Tasco began searching for a buyer as profits sank.