The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 23, 2002
Filed:
Nov. 06, 1997
Mitsuhiro Yanari, Ichikawa, JP;
Nikon Corporation, Tokyo, JP;
Abstract
An image stabilizing optical system having both a simple configuration and high optical performance can be used as an optical system for observation such as a telescope or a binocular. The image stabilizing optical system consists of a first lens group having positive refractive power, a second lens group having negative refractive power and disposed movably in a direction substantially perpendicular to the optical axis, and an erecting prism system, all of which are arranged in order from an object. The optical system includes an objective lens system for forming an erected image at a position on the eye-side of the erecting prism system and an eyepiece lens system having positive refractive power as a whole and magnifying the erected image so as to allow the magnified erected image to be observed. The first lens group includes at least one positive lens and one negative lens.