denoting a method for transferring an image without bringing it into focus
afocal in American English
(eiˈfoukəl)
adjective
Optics
pertaining to or having no finite focal point, as a telescope
Word origin
[a-6 + focal]
Examples of 'afocal' in a sentence
afocal
We propose an approach to mitigate this error by using an afocal (infinite effective focal length) system.
Dong-Hoon Yi, Tae-Jae Lee, Dong-Il Cho 2015, 'Afocal Optical Flow Sensor for Reducing Vertical Height Sensitivity in Indoor RobotLocalization and Navigation', Sensorshttp://www.mdpi.com/1424-8220/15/5/11208. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)