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Kellner eyepiece: Meaning and Definition of

Kell'ner eye'piece

Pronunciation: (kel'nur), [key]
— Optics. Optics.
  1. a Ramsden eyepiece having an achromatic lens, used in binoculars.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
kellion Kellogg
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