two of the components having compound lenses (G02B9/30 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: two of the components having compound lenses

CPC: two of the components having compound lenses (G02B9/30 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – > having three components only > arranged + – + > two of the components having compound lenses

CPC:

Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - (G02B15/00 takes precedence) > having three components only > arranged + - + > two of the components having compound lenses (G02B9/30 takes precedence)

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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G02B 9/26 the front and rear components having compound lenses IPC+CPC Available in IPC and CPC
G02B 9/28 the middle and rear components having compound lenses IPC+CPC Available in IPC and CPC