Bahtinov mask
id:
bahtinov-mask-170-13620678
title:
Bahtinov mask
text:
The Bahtinov mask is a device used to focus small astronomical telescopes accurately.
Although masks have long been used as focusing aids, the distinctive pattern was invented by Russian amateur astrophotographer Pavel Bahtinov in 2005. Precise focusing of telescopes and astrographs is critical to performing astrophotography. The telescope is pointed at a bright star, and a mask is placed in front of the telescope's objective. The mask consists of three separate grids, positioned in such a way t
brand slug:
wiki
category slug:
encyclopedia
description:
Telescope focusing device
original url:
https://en.wikipedia.org/wiki/Bahtinov_mask
date created:
2009-07-16T16:06:15Z
date modified:
2024-09-01T01:42:30Z
main entity:
{"identifier":"Q803671","url":"https://www.wikidata.org/entity/Q803671"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/7/78/Bahtinov_mask.jpg","width":400,"height":400}
fields total:
13
integrity:
16