Pfund telescope
id:
pfund-telescope-263-418634
title:
Pfund telescope
text:
The Pfund telescope, originated by A.H. Pfund, provides an alternative method for achieving a fixed telescope focal point in space regardless of where the telescope line of sight is pointed. Pfund's configuration uses a two-axis flat feed mirror that reflects starlight into a fixed paraboloidal mirror, usually with a horizontal optical axis. The paraboloid focuses through a central hole in the feed flat to a convenient location some distance behind the flat. No spider vanes or Newtonian secondar
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Pfund_telescope
date created:
date modified:
2023-09-10T12:34:22Z
main entity:
{"identifier":"Q7179828","url":"https://www.wikidata.org/entity/Q7179828"}
image:
fields total:
13
integrity:
13