Difference between revisions of "Focusing"
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{{languages|Focusing}} | {{languages|Focusing}} | ||
[[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]] | ||
Revision as of 00:05, 25 February 2009
2-2-155
1. The operation of placing a point object at the focus of an optical apparatus.
2. The operation of placing a light source about or near the focus of an optical apparatus in such a way as to produce a desired light distribution.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
