.~ Including alternative optical path or optical element (e.g., day-night, hi-low magnification)
DEFINITION
Classification: 359/353
Including alternative optical path or optical element (e.g., day-night, hi-low magnification):
(under subclass 350) Subject matter which has an element allowing a variable radiation path or which alternatively places an optical element into or out of a fixed optical path, thereby producing plural distinct radiation processing configurations.
(1) Note. One or more configurations may be limited to
visible light.
SEE OR SEARCH THIS CLASS, SUBCLASS:
421, for telescope compound lens selectable magnification.
672+, for lens with selective magnification by exchanging or adding lens components.
