Dove prism

noun
Do·​ve prism | \ ˈdōvə-\

Definition of Dove prism

: a prism that reverts an image but does not produce deviation or displacement of the beam, the rotation of the prism about the axis of the beam rotating the beam at twice the rate of rotation of the prism

History and Etymology for Dove prism

probably after Heinrich W. Dove †1879 German physicist

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