Zoom lens

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United States of America Patent

PATENT NO 9874764
SERIAL NO

14829681

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Abstract

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A zoom lens, in sequence from an object side to an image side along an optical axis, comprises a first lens group; a second lens group; a stop; and a rear lens group and comprising a third lens group, a fourth lens group, and a fifth lens group; the fourth lens group further comprises an image correction lens which is able to shifted in a direction transverse to the optical axis of the zoom lens to stabilize the picked-up image when the zoom lens vibrates; furthermore, the zoom lens satisfies the following condition: (1−βp)×βr>2, where βp is a lateral magnification of the image correction lens when the zoom lens is at the telephoto end, and where βr is a lateral magnification of the lenses in the rear lens group except for the lenses in front of the image correction lens when the zoom lens is at the telephoto end.

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Patent Owner(s)

Patent OwnerAddress
ASIA OPTICAL INTERNATIONAL LTDP O BOX 3151 ROAD TOWN TORTOLA
SINTAI OPTICAL (SHENZHEN) CO LTD518000 BUILDINGS 1 2 4 AND 5 QIWEI INDUSTRIAL PARK LISONGYAO INDUSTRIAL ZONE LISONGYAO COMMUNITY GONGMING OFFICE GUANGMING NEW DISTRICT SHENZHEN CITY GUANGDONG PROVINCE SHENZHEN CITY GUANGDONG PROVINCE 518000

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Ming-Chung Taichung, TW 20 142

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