collimator : Definition, Usages, News and More

Search Words


  • n  a small telescope attached to a large telescope to use in setting the line of the larger one
  • n  optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam

Hot News: The Heading Text Size Should Match With the Size Of The Image