Definition of fresnel in English:

Share this entry

fresnel

Pronunciation: /freɪˈnɛl/
(also fresnel lens)

noun

Photography
A flat lens made of a number of concentric rings, to reduce spherical aberration.
Example sentences
  • The diameter of the hole is equal to the diameter of the largest complete circle on your fresnel lens.
  • These were made for use in rear screen projection TV sets in conjunction with our fresnel lenses.
  • Wiko replacement fresnel lenses have long been known for their superior quality.

Origin

Mid 19th century: named after A. J. Fresnel (see Fresnel, Augustin Jean).

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.