Definitions
There is 1 meaning of the phrase
Fresnel Lens.
Fresnel Lens - as a noun
Lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length
Example Sentences
"A fresnel lens is commonly used in lighthouses to concentrate and project light."
"The fresnel lens in my camera helps focus the light onto the film."
"The large fresnel lens in the theater spotlight produces a strong beam of light."
"The fresnel lens in the traffic light helps motorists see the signal clearly from a distance."
"The museum displayed a rare vintage fresnel lens from an old lighthouse."