Afocal zooming optical system

Details Afocal zooming optical system Afocal zooming optical system

1991-11-29

1996-02-13

Sugarman, Scott J.

Optical: systems and elements

Lens

With variable magnification

359684, 359687, G02B 1514

Patent

active

054915880

ABSTRACT:
An afocal zooming optical system includes a plurality of lens groups or components, in which some of the lens groups movable along the optical axis for zooming are included in the dioptry adjusting lens groups movable for dioptry adjustment, with others of the lens groups movable for zooming being excluded from said dioptry adjusting lens groups.

REFERENCES:
patent: 4439018 (1984-03-01), Okajima et al.
patent: 5028125 (1991-07-01), Kikuchi
patent: 5136431 (1992-08-01), Terasawa et al.
patent: 5191475 (1993-03-01), Terasawa et al.

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