Patent · US Active

Zoom lens

US8472126B2 · kind B2 · utility

1Cited by

1References

3Claims

0Family size

Assignees

Premier Image Technology(China) Ltd. · CN
HON HAI PRECISION INDUSTRY CO., LTD. · TW

Inventor

Yang Luo · Amherst, US

Key dates

Filing date	Oct 24, 2011
Grant date	Jun 25, 2013
Priority date	—
Expiry date	Feb 20, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG02B15/143507
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A zoom lens includes, in the order from the object-side to the image-side thereof, a first lens group of a negative refractive power, a second lens group of a positive refractive power, and a third lens group of a positive refractive power. The first lens group includes, in the order from the object-side to the image-side thereof, a first lens of negative refractive power, and a second lens of positive refractive power. The second lens group includes, in the order from the object-side to the image-side thereof, a third lens of positive refractive power, a fourth lens of negative refractive power, and a fifth lens of negative refractive power.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.