constant-deviation prism

constant-deviation prism

[¦kän·stənt ‚dē·vē¦ā·shən ′priz·əm]
(optics)
A prism whose deviation is constant and does not depend on the index of refraction or wavelength.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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