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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 ...
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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.
Score a Celestron NexStar 8SE Telescope for just $1,229, down from $1,599, at Amazon. That's a discount of 23% and a savings of $370.
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]
The 9 Best Sale Items at Costco Right Now. Sadie Schulte. December 26, 2024 at 3:02 PM. Reviewed by Dietitian Emily Lachtrupp, M.S., RD. Eating Well/Getty Images.
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