Modified Dall–Kirkham telescope
id:
modified-dall-kirkham-telescope-302-13364653
title:
Modified Dall–Kirkham telescope
text:
The Modified Dall-Kirkham telescope utilizes an elliptical primary and spherical secondary mirror as in the conventional Dall-Kirkham configuration, but also includes a lens group ahead of the focal point to improve off-axis image quality. The primary mirror conic constant is slightly different from that for a conventional Dall-Kirkham and must be optimized along with the lenses during design. The usable field is much better than the Ritchey-Chrétien telescope without corrector, and over very wi
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Modified_Dall%E2%80%93Kirkham_telescope
date created:
date modified:
2024-04-03T16:20:23Z
main entity:
{"identifier":"Q6889368","url":"https://www.wikidata.org/entity/Q6889368"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/e/e6/Large_1987_0528_0001_.jpg","width":1536,"height":1151}
fields total:
13
integrity:
14