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

Introduced: January 1985

Last revised: January 2006

Full Title

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

Classification Context

Section:: PHYSICS
Class:: OPTICS
Subclass:: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS