Dual speed focuser
id:
dual-speed-focuser-252-1251767
title:
Dual speed focuser
text:
The Dual speed focuser is a focusing mechanism used in precision optics such as advanced amateur astronomical telescopes and laboratory microscopes. A dual speed focuser can provide two focusing speeds by using a set of co-axial knobs, one for fast focusing and another for fine focusing when the film or CCD is near the perfect focal plane. This is different from the two separate focusing knobs seen on low level microscopes. Another common reason to employ a dual-speed focuser is with the use of
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Dual_speed_focuser
date created:
date modified:
2024-02-15T07:40:27Z
main entity:
{"identifier":"Q5310242","url":"https://www.wikidata.org/entity/Q5310242"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/en/2/2a/GSO_dual_speed_focuser_over_Orion_XT_10_with_UO_20mm.jpg","width":1368,"height":1072}
fields total:
13
integrity:
14