公开(公告)号：US20130222921A1

公开(公告)日：2013-08-29

申请号：US13760534

申请日：2013-02-06

Applicant: TAMRON CO., LTD

Inventor： Lai WEI

IPC: G02B15/14

CPC classification number: G02B15/14 ,  G02B15/173

Abstract: A zoom lens includes sequentially from an object side, a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a positive refractive power, a fourth lens group having a positive refractive power, and a fifth lens group having a negative refractive power. The zoom lens satisfies given conditions to implement a compact, wide angle, large aperture ratio zoom lens having excellent optical performance and compatible with solid state image sensors capable of recording full high vision images.

Abstract translation: 变焦透镜从物体侧顺序地包括具有正折光力的第一透镜组，具有负折光力的第二透镜组，具有正折光力的第三透镜组，具有正折光力的第四透镜组， 以及具有负屈光力的第五透镜组。 变焦透镜满足给定的条件以实现具有优异光学性能并且能够记录全高清图像的固态图像传感器的紧凑，广角，大开口率变焦镜头。

公开(公告)号：US20130222923A1

公开(公告)日：2013-08-29

申请号：US13761806

申请日：2013-02-07

Applicant: TAMRON CO., LTD.

Inventor： Lai WEI

IPC: G02B15/24

CPC classification number: G02B15/24 ,  G02B15/173

Abstract: A zoom lens includes sequentially from an object side, a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a positive refractive power, a fourth lens group having a positive refractive power, and a fifth lens group having a negative refractive power. The zoom lens satisfies given conditions to implement a compact, large aperture ratio zoom lens having excellent optical performance and compatible with solid state image sensors capable of recording full high vision images.

Abstract translation: 变焦透镜从物体侧顺序地包括具有正折光力的第一透镜组，具有负折光力的第二透镜组，具有正折光力的第三透镜组，具有正折光力的第四透镜组， 以及具有负屈光力的第五透镜组。 变焦透镜满足给定条件以实现具有优异光学性能并且能够记录全高清图像的固态图像传感器的紧凑，大孔径比变焦镜头。

公开(公告)号：US20150116819A1

公开(公告)日：2015-04-30

申请号：US14513423

申请日：2014-10-14

Applicant: TAMRON CO., LTD.

Inventor： Lai WEI

IPC: G02B13/14 ,  G02B15/177 ,  G02B13/00 ,  G02B15/16

CPC classification number: G02B15/177

Abstract: A zoom lens includes sequentially from an object side a first lens group having a negative refractive power; an aberture stop; and a second lens group having a positive refractive power. The second lens group is moved along an optical axis toward the object side to zoom from a wide angle edge to a telephoto edge. The first lens group is moved along the optical axis toward en image side to correct image plane variation accompanying zooming. The second lens group includes sequentially from the object side, a positive lens having at least one aspheric surface, and a cemented lens configured by a negative lens, a positive lens, and a negative lens. The zoom lens satisfies a conditional expression (1) 1.8

Abstract translation: 变焦透镜从物体侧依次包括具有负屈光力的第一透镜组; 一个异常停止 以及具有正屈光力的第二透镜组。 第二透镜组沿着光轴朝向物体侧移动，以从广角边缘向远摄边缘放大。 第一透镜组沿着光轴朝向图像侧移动以校正伴随变焦的图像平面变化。 第二透镜组从物体侧依次包括具有至少一个非球面的正透镜和由负透镜，正透镜和负透镜构成的胶合透镜。 变焦透镜满足条件表达式（1）1.8

公开(公告)号：US20170336601A1

公开(公告)日：2017-11-23

申请号：US15587557

申请日：2017-05-05

Applicant: Tamron Co., Ltd.

Inventor： Lai WEI ,  Toshiya SEGAWA

IPC: G02B13/00 ,  G02B27/64 ,  G02B15/16

CPC classification number: G02B13/009 ,  G02B15/16 ,  G02B15/173 ,  G02B27/646

Abstract: A variable magnification optical system according to the present invention includes a C lens group having positive refractive power, a B lens group having negative refractive power, and an A lens group having positive refractive power in order from an image side and includes an N lens group having negative refractive power on an object side in relation to the A lens group, wherein when zooming from a wide angle end to a telephoto end, at least the A lens group, the B lens group, and the N lens group are moved relative to an image plane and a predetermined conditional expression is satisfied.