Difference between revisions of "Optical Axis"
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The axis of revolution of the surfaces bounding the lens or reflector. | The axis of revolution of the surfaces bounding the lens or reflector. | ||
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Revision as of 10:05, 25 February 2009
2-2-110
Optical Axis (of a lens, other than a fixed lens, or of a focusing reflector)
The axis of revolution of the surfaces bounding the lens or reflector.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)