Zoom lens

Details Zoom lens Zoom lens

1993-03-30

1995-01-10

Sugarman, Scott J.

Optical: systems and elements

Lens

With variable magnification

359676, 359683, 359716, G02B 1514

Patent

active

053812697

ABSTRACT:
A compact 2X zoom lens system consisting of a small number of lens elements. The zoom lens system consists of two lens groups, a first lens unit having a negative refractive power and a rear lens unit of positive refractive power. Both lens units are movable on an optical axis for zooming.

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patent: 5153777 (1992-10-01), Okada et al.
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