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PCE
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DIFF Subgroup
G02B 15/15

compensation by means of only one movement or by means of only linearly related movements, e.g. optical compensation

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Optical objectives with means for varying the magnification > by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective > compensation by means of only one movement or by means of only linearly related movements, e.g. optical compensation

CPC:

Optical objectives with means for varying the magnification (anamorphotic objectives G02B13/08) > by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective > compensation by means of only one movement or by means of only linearly related movements, e.g. optical compensation

No child classifications to compare. This is a leaf node in both IPC and CPC.