Coddington magnifier
id:
coddington-magnifier-196-15037524
title:
Coddington magnifier
text:
A Coddington magnifier is a magnifying glass consisting of a single very thick lens with a central deep groove diaphragm at the equator, thus limiting the rays to those close to the axis, which minimizes spherical aberration. This allows for greater magnification than a conventional magnifying glass, typically 10× up to 20×. Most single lens magnifiers are limited to 5× or so before significant distortion occurs. The drawback is that the diaphragm groove reduces the area seen through the magnifi
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Coddington_magnifier
date created:
date modified:
2022-07-24T23:13:58Z
main entity:
{"identifier":"Q5139956","url":"https://www.wikidata.org/entity/Q5139956"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/b/bd/Coddington-magnifier.svg","width":261,"height":201}
fields total:
13
integrity:
14