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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Meade ETX telescope ： ウィキペディア英語版 Meade ETX telescope The ETX ("Everybody's Telescope") is a line of telescopes made by Meade Instruments. ==Origins== The ETX started out as a 90 mm (3-1/2") Maksutov Cassegrain telescope (first produced in 1996) and took advantage of high volume mass production and simplified optical and parts construction to open a new market for a cheap alternative to the very expensive Questar 3-1/2 Maksutov Cassegrain〔("The Urban Astronomer's guide" By Rod Mollise, page 31 )〕〔("Using the Meade ETX" by Mike Weasner, page 1 )〕 The ETX "line" has been expanded to 105 mm, and 125 mm Maksutov Cassegrains and achromatic refracting telescopes in sizes of 60 mm and 70 mm, but these two models were later replaced by an 80 mm model. The line has come to take advantage of "goto" telescope mount technology, making it very popular with amateur astronomers.〔("The Urban Astronomer's guide" By Rod Mollise, page 31 )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Meade ETX telescope」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.