Encyclopedia > Collimating lens

  Article Content

Collimating lens

A collimating lens is a lens used to gather together a parallel beam of light.

In the original spectroscope design in the early 19th century, light entered a slit and a collimating lens transformed the light into a thin beam of parallel rays. A prism then refracted the beam into its spectrum.



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Sakhalin

... proper Ainu name, Karafuto (樺太) or Karaftu, was restored to the island by the Japanese during their possession of its southern part (1905-1945). Sakhalin i ...

 
 
 
This page was created in 24.2 ms