Spatial cutoff frequency
id:
spatial-cutoff-frequency-256-7760688
title:
Spatial cutoff frequency
text:
In optics, spatial cutoff frequency is a precise way to quantify the smallest object resolvable by an optical system. Due to diffraction at the image plane, all optical systems act as low pass filters with a finite ability to resolve detail. If it were not for the effects of diffraction, a 2" aperture telescope could theoretically be used to read newspapers on a planet circling Alpha Centauri, over four light-years distant. Unfortunately, the wave nature of light will never permit this to happen
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Spatial_cutoff_frequency
date created:
date modified:
2023-10-24T01:21:00Z
main entity:
{"identifier":"Q7574055","url":"https://www.wikidata.org/entity/Q7574055"}
image:
fields total:
13
integrity:
13