Optical square
id:
optical-square-299-10049316
title:
Optical square
text:
The optical square uses a pentaprism to reflect and refract a beam or sighting 90 degrees, it is used in pairs in surveying and in a singular block in metrology. In optical square A Horizon glass is placed at an angle of 120° with the horizon sight. The Index glass is placed at an angle of 105° with the Index sight. Angle between Index glass and Horizon glass is 45°.
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Optical_square
date created:
date modified:
2023-08-11T01:13:32Z
main entity:
{"identifier":"Q1243192","url":"https://www.wikidata.org/entity/Q1243192"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/3/32/Pentaprism.svg","width":256,"height":229}
fields total:
13
integrity:
14