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2. Celestron - Wikipedia

   en.wikipedia.org/wiki/Celestron

   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 ...

3. List of large optical telescopes - Wikipedia

   en.wikipedia.org/wiki/List_of_large_optical...

   This is a list of large optical telescopes. For telescopes larger than 3 meters in aperture see List of largest optical reflecting telescopes . This list combines large or expensive reflecting telescopes from any era, as what constitutes famous reflector has changed over time.

4. Lists of most expensive items by category - Wikipedia

   en.wikipedia.org/wiki/Lists_of_most_expensive...

   List of most expensive films; List of most expensive music videos; List of most expensive non-fungible tokens; List of most expensive photographs; List of most expensive albums; List of most valuable records; List of most expensive music deals; List of most expensive television series; List of most expensive video games to develop

5. 10 of the Most Expensive Items Ever Sold on eBay

   www.aol.com/10-most-expensive-items-ever...

   Related: The Most Expensive Celebrity Homes of All Time. the ghost town of albert, texas. 5. Albert, Texas. Sold for: $2.5 million.

6. Synta Technology Corporation of Taiwan - Wikipedia

   en.wikipedia.org/wiki/Synta_Technology...

   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.

7. Tom Johnson (astronomer) - Wikipedia

   en.wikipedia.org/wiki/Tom_Johnson_(astronomer)

   The Celestron 8 was more compact, affordable and easier to manufacture than traditional telescopes, like the Schmidt–Cassegrain. [2] Johnson's new telescope proved very popular in the amateur astronomy and educational industries, allowing the hobby to rapidly expand and reach more consumers. [2] Johnson sold Celestron in 1980. [2]

8. List of largest optical reflecting telescopes - Wikipedia

   en.wikipedia.org/wiki/List_of_largest_optical...

   Multiple mirror telescopes that are on the same mount and can form a single combined image are ranked by their equivalent aperture. Fixed altitude telescopes (e.g. HET) are also ranked by their equivalent aperture. All telescopes with an effective aperture of at least 3.00 metres (118 in) at visible or near-infrared wavelengths are included.

9. List of astronomical observatories in Canada - Wikipedia

   en.wikipedia.org/wiki/List_of_astronomical...

   Large Zenith Telescope, University of British Columbia (at Malcolm Knapp Research Forest) (Decommissioned 2014) Trottier Observatory, Simon Fraser University, Burnaby; Prince George Astronomical Observatory, Prince George