Spectroscope

• prism

  Optical device having a triangular shape and made of glass or quartz; used to deviate a beam...

• collimator

  Optical device consisting of a tube containing a convex achromatic lens at one end and...

Also contains

• lens

  A transparent optical device used to converge or diverge transmitted light and to form ima...

• biprism

  An optical device for obtaining interference fringes.

• diffraction grating

  Optical device consisting of a surface with many parallel grooves in it; disperses...

• projector

  An optical device for projecting a beam of light.

• finder

  Optical device that helps a user to find the target of interest.

• diffuser

  Optical device that distributes the light of a lamp evenly.

• laser

  An acronym for light amplification by stimulated emission of radiation; an optical device...

• camera lucida

  An optical device consisting of an attachment that enables an observer to view simultaneously...

• Kerr cell

  Optical device consisting of a transparent cell with two electrodes between two polarizing...

• stereoscope

  An optical device for viewing stereoscopic photographs.

• Nicol prism

  Optical device that produces plane-polarized light.

• polarimeter

  An optical device used to measure the rotation of the plane of vibration of polarized...

• coelostat

  Optical device used to follow the path of a celestial body and reflect its light into...

• Rochon prism

  Optical device that produces plane-polarized ultraviolet light.

• planetarium

  An optical device for projecting images of celestial bodies and other astronomical phenomena...

• autofocus

  An optical device for focussing a camera or other instrument automatically.

• viewer

  An optical device for viewing photographic transparencies.