Difference between revisions of "Prismatic Lens"
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An assembly consisting of a bullseye together with concentric dioptric and (sometimes) catadioptric rings, the foci of which are coincident with, or lie within the boundaries of, the source, when correctly focused (in sense 2 of 2-2-155). | An assembly consisting of a bullseye together with concentric dioptric and (sometimes) catadioptric rings, the foci of which are coincident with, or lie within the boundaries of, the source, when correctly focused (in sense 2 of 2-2-155). | ||
[[Image:Ch2_Fig10.jpg|400px]] | [[Image:Ch2_Fig10.jpg|400px|border]] | ||
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{{languages|Prismatic Lens}} | {{languages|Prismatic Lens}} | ||
[[Category:2.2 Optical Apparatus] | [[Category:2.2 Optical Apparatus]] | ||
[[Category:Alphabetical Index]] | [[Category:Alphabetical Index]] | ||
[[Category:IALA Dictionary 1970-89 Edition]] | [[Category:IALA Dictionary 1970-89 Edition]] |
Latest revision as of 10:01, 1 March 2009
2-2-085
An assembly consisting of a bullseye together with concentric dioptric and (sometimes) catadioptric rings, the foci of which are coincident with, or lie within the boundaries of, the source, when correctly focused (in sense 2 of 2-2-155).
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)