Diverting Prism

From International Dictionary of Marine Aids to Navigation
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urn:mrn:iala:dic:2-2-0210

A transparent optical element of prismatic section, having plane or curved faces, placed in the path of light from an optic, to produce a converged, diverged or diverted beam.

(Figs. 17 and 18)




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)