Catadioptric

From International Dictionary of Marine Aids to Navigation
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2-2-070

The property of those optical elements which alter the direction of a light ray from its original direction by both refraction and reflection. (Figs. 10, 11c and 16a)

Ch2 Fig10.jpg

Ch2 Fig11.jpg

caption=Figure 16a




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

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM