Difference between revisions of "Drum Lens"

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{{languages|Drum Lens}}
 
{{languages|Drum Lens}}
[[Category:2.2 Optical Apparatus]
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[[Category:2.2 Optical Apparatus]]
 
[[Category:Alphabetical Index]]
 
[[Category:Alphabetical Index]]
 
[[Category:IALA Dictionary 1970-89 Edition]]
 
[[Category:IALA Dictionary 1970-89 Edition]]

Revision as of 01:05, 25 February 2009

2-2-100


(Dioptric) Drum Lens

A fixed lens consisting of dioptric elements only. (Fig. 16b)

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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