IPC Main Group
G02B 25/00 Eyepieces; Magnifying glasses
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
Related Keywords
optical EYEPIECES
2 direct subcodes
Child Classifications
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- G02B 25/02 with means for illuminating object viewed
- G02B 25/04 affording a wide-angle view, e.g. through a spy-hole