IPC Subgroup
G02B 11/02 having two lenses only
Introduced: September 1968
Last revised: January 2006
Full Title
Optical objectives characterised by the total number of simple and compound lenses forming the objective and their arrangement > having two lenses only
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
1 direct subcode
Child Classifications
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- G02B 11/04 arranged C C