HOW IT
WORKS
  1. Light comes into a tube, hits a lens at the front, and is refracted or bent.
  2. Light is then focused at the eyepiece at the other end.
  3. The field of view is similar to that of binoculars, so the object seen is very small.
BACK
Please send any comments to:
Curator: Tom.Benson@grc.nasa.gov
Responsible Official: Kathy.Zona@grc.nasa.gov