opera glass

opera glass: see binocular.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

More on opera glass from Fact Monster:

  • lens, in optics - lens lens, device for forming an image of an object by the refraction of light. In its simplest ...
  • binocular - binocular binocular, small optical instrument consisting of two similar telescopes mounted on a ...
  • Encyclopedia: Technology: Terms and Concepts - Encyclopeadia articles concerning Technology: Terms and Concepts.

See more Encyclopedia articles on: Technology: Terms and Concepts

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