Lurie–Houghton telescope
id:
lurie-houghton-telescope-245-7936584
title:
Lurie–Houghton telescope
text:
The Houghton telescope or Lurie–Houghton telescope is a catadioptric telescope. Houghton's original design uses a two-lens corrector at the front of the telescope and a spherical mirror at the back; it was patented in 1944. Instead of the hard to make intricately shaped compound curve Schmidt corrector plate, or the heavy Maksutov-type meniscus corrector lens, the Houghton double-lens corrector is relatively easy to make. It consists of two lenses: A positive and a negative, set at the front of
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Lurie%E2%80%93Houghton_telescope
date created:
date modified:
2023-09-27T05:24:43Z
main entity:
{"identifier":"Q1631310","url":"https://www.wikidata.org/entity/Q1631310"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/en/8/8f/Lh_scope_front_closeup_600x430.jpg","width":600,"height":430}
fields total:
13
integrity:
14