Lurie Houghton telescope
Код 2534808
- ISBN: 978-5-5127-0866-8
Код 2534808
High Quality Content by WIKIPEDIA articles! The Lurie–Houghton telescope is a catadioptric telescope. Lurie modified the original design by Houghton by adding a diagonal mirror to direct the focused light outside the telescope tube as in a Newtonian telescope. The Houghton design was patented on May 30, 1944. Instead of the fairly hard to make Schimdt and Maksutov corrector lenses, the corrector for the Lurie–Houghton is relatively easy to make. It consists of two lenses, a positive and a...
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