Fixed-focus lens
    1.
    发明授权
    Fixed-focus lens 有权
    定焦镜头

    公开(公告)号:US07423819B1

    公开(公告)日:2008-09-09

    申请号:US11969661

    申请日:2008-01-04

    IPC分类号: G02B13/04

    CPC分类号: G02B7/04 G02B13/18

    摘要: A fixed-focus lens including a first lens group, a second lens group, and a third lens group is provided. The first lens group has a negative refractive power, includes a plurality of lenses, and is disposed between an object side and an image side. The lenses of the first lens group include at least one aspheric lens. The second lens group is disposed between the first lens group and the image side and has a positive refractive power. The third lens group is disposed between the second lens group and the image side and has a positive refractive power. The third lens group includes a first triple cemented lens and a second triple cemented lens arranged from the object side to the image side in sequence.

    摘要翻译: 提供了包括第一透镜组,第二透镜组和第三透镜组的固定焦点透镜。 第一透镜组具有负屈光力,包括多个透镜,并且设置在物体侧和像侧之间。 第一透镜组的透镜包括至少一个非球面透镜。 第二透镜组设置在第一透镜组和像侧之间并且具有正折光力。 第三透镜组设置在第二透镜组和像侧之间并且具有正折光力。 第三透镜组包括从物体侧到像侧依次布置的第一三重胶合透镜和第二三重胶合透镜。

    FIXED-FOCUS LENS
    2.
    发明申请
    FIXED-FOCUS LENS 有权
    固定镜片

    公开(公告)号:US20090015943A1

    公开(公告)日:2009-01-15

    申请号:US12053266

    申请日:2008-03-21

    IPC分类号: G02B9/12

    CPC分类号: G02B13/16 G02B9/12 G02B13/18

    摘要: A fixed-focus lens including a first lens group, a second lens group and a third lens group which are arranged in sequence from an object side to an image side is provided. The first lens group has a negative refractive power and includes a first lens and a second lens arranged in sequence from the object side to the image side, and both having negative refractive powers. The first lens is an aspheric lens. The second lens group has a positive refractive power and includes a lens with positive refractive power. The third lens group has a positive refractive power and includes at least one first cemented lens. The fixed-focus lens satisfies 1.2

    摘要翻译: 提供了包括从物体侧到像侧依次布置的第一透镜组,第二透镜组和第三透镜组的固定焦点透镜。 第一透镜组具有负屈光力,并且包括从物体侧到像侧依次排列的第一透镜和第二透镜,并且具有负折射力。 第一透镜是非球面透镜。 第二透镜组具有正折光力并且包括具有正屈光力的透镜。 第三透镜组具有正屈光力并且包括至少一个第一胶合透镜。 固定焦距透镜满足1.2 <| fG1 / f | <4.2和2.8 <| fL2 / f | <8.6,其中f,fG1和fL2是固定焦点透镜,第一透镜组和第二透镜组的有效焦距 镜头。

    FIXED-FOCUS LENS
    3.
    发明申请
    FIXED-FOCUS LENS 审中-公开
    固定镜片

    公开(公告)号:US20080158693A1

    公开(公告)日:2008-07-03

    申请号:US11845247

    申请日:2007-08-27

    IPC分类号: G02B13/18

    CPC分类号: G02B13/18

    摘要: A fixed-focus lens includes a first lens group and a second lens group. The two lens groups have positive refractive powers. The first lens group is composed of a first negative lens, a second negative lens, a third negative lens, a fourth positive lens and a fifth positive lens arranged in sequence from an object side to an image side. The first lens is an aspheric lens. The second lens group is composed of two cemented lens and a positive lens between them. The fixed-focus lens satisfies the following conditions: (1)5.0 3.755, wherein FL45 is an effective focal length (EFL) from the fourth lens to the fifth lens, FG2 is an EFL of the second lens group, F is an EFL of the fixed-focus lens, and H is the maximum image height of the image side.

    摘要翻译: 固定焦点透镜包括第一透镜组和第二透镜组。 两个透镜组具有正折射力。 第一透镜组由从物体侧到像侧依次排列的第一负透镜,第二负透镜,第三负透镜,第四正透镜和第五正透镜构成。 第一透镜是非球面透镜。 第二透镜组由两个胶合透镜和它们之间的正透镜组成。 固定焦点透镜满足以下条件:(1)5.0 G2 / F <4.8; (3)F G2 / H> 3.755,其中F L45是从第四透镜到第五透镜的有效焦距(EFL),F> G2 < / SUB>是第二透镜组的EFL,F是固定焦点透镜的EFL,H是图像侧的最大图像高度。

    Fixed-focus lens
    4.
    发明授权
    Fixed-focus lens 有权
    定焦镜头

    公开(公告)号:US07551363B2

    公开(公告)日:2009-06-23

    申请号:US12053266

    申请日:2008-03-21

    IPC分类号: G02B3/00 G02B13/04 G02B3/02

    CPC分类号: G02B13/16 G02B9/12 G02B13/18

    摘要: A fixed-focus lens including a first lens group, a second lens group and a third lens group which are arranged in sequence from an object side to an image side is provided. The first lens group has a negative refractive power and includes a first lens and a second lens arranged in sequence from the object side to the image side, and both having negative refractive powers. The first lens is an aspheric lens. The second lens group has a positive refractive power and includes a lens with positive refractive power. The third lens group has a positive refractive power and includes at least one first cemented lens. The fixed-focus lens satisfies 1.2

    摘要翻译: 提供了包括从物体侧到像侧依次布置的第一透镜组,第二透镜组和第三透镜组的固定焦点透镜。 第一透镜组具有负屈光力,并且包括从物体侧到像侧依次排列的第一透镜和第二透镜,并且具有负折射力。 第一透镜是非球面透镜。 第二透镜组具有正折光力并且包括具有正屈光力的透镜。 第三透镜组具有正屈光力并且包括至少一个第一胶合透镜。 固定焦距透镜满足1.2 <| fG1 / f | <4.2和2.8 <| fL2 / f | <8.6,其中f,fG1和fL2是固定焦点透镜,第一透镜组和第二透镜组的有效焦距 镜头。

    Fixed-focus lens
    5.
    发明授权
    Fixed-focus lens 有权
    定焦镜头

    公开(公告)号:US07639433B1

    公开(公告)日:2009-12-29

    申请号:US12331716

    申请日:2008-12-10

    IPC分类号: G02B9/60 G02B9/34

    CPC分类号: G02B9/34 G02B13/14

    摘要: A fixed-focus lens including a first lens, a second lens, a cemented lens, an aperture stop, and a fifth lens is provided. The first lens disposed between an object side and an image side has a negative refractive power. The second lens disposed between the first lens and the image side has a positive refractive power. The cemented lens is disposed between the second lens and the image side. The cemented lens consists of a third lens and a fourth lens arranged in sequence from the object side to the image side. One of the third lens and the fourth lens has a positive refractive power, and the other has a negative refractive power. The aperture stop is disposed between the fourth lens and the image side. The fifth lens disposed between the aperture stop and the image side has a positive refractive power.

    摘要翻译: 提供了包括第一透镜,第二透镜,胶合透镜,孔径光阑和第五透镜的固定焦点透镜。 设置在物体侧和像侧之间的第一透镜具有负折光力。 设置在第一透镜和像侧之间的第二透镜具有正折射光焦度。 胶合透镜设置在第二透镜和图像侧之间。 胶合透镜由从物体侧到像侧依次布置的第三透镜和第四透镜组成。 第三透镜和第四透镜中的一个具有正的折射光焦度,另一个具有负折光力。 孔径光阑设置在第四透镜和像侧之间。 设置在孔径光阑和像侧之间的第五透镜具有正的折光力。

    FIXED-FOCUS LENS AND APPARATUS INTEGRATING OPTICAL PROJECTION AND IMAGE DETECTION
    6.
    发明申请
    FIXED-FOCUS LENS AND APPARATUS INTEGRATING OPTICAL PROJECTION AND IMAGE DETECTION 有权
    固定镜头和装置整合光学投影和图像检测

    公开(公告)号:US20100231873A1

    公开(公告)日:2010-09-16

    申请号:US12559767

    申请日:2009-09-15

    IPC分类号: G03B21/28 G02B3/00 G02B17/00

    摘要: A fixed-focus lens disposed between an object side and an image side is provided. The fixed-focus lens includes a reflector, a curved reflector, a first lens group, and a second lens group disposed in sequence from the object side to the image side. The first lens group includes two aspheric lenses. The second lens group includes a spherical lens and an aspheric lens, wherein the aspheric lens of the second lens group is closest to the image side in the second lens group. Besides, an effective focal length (EFL) of the fixed-focus lens is f, an EFL of the second lens group is f2, and a clear aperture of the aspheric lens of the second lens group is D. The fixed-focus lens satisfies one of following conditions: 0.04

    摘要翻译: 设置在物体侧和像侧之间的固定焦点透镜。 固定焦点透镜包括从物体侧到像侧依次布置的反射器,弯曲反射器,第一透镜组和第二透镜组。 第一透镜组包括两个非球面透镜。 第二透镜组包括球面透镜和非球面透镜,其中第二透镜组的非球面透镜最靠近第二透镜组中的像侧。 此外,固定焦点透镜的有效焦距(EFL)为f,第二透镜组的EFL为f2,第二透镜组的非球面透镜的透明孔径为D.定影透镜满足 以下条件之一:0.04

    Zoom lens and zoom lens module
    8.
    发明授权
    Zoom lens and zoom lens module 有权
    变焦镜头和变焦镜头模块

    公开(公告)号:US09140880B2

    公开(公告)日:2015-09-22

    申请号:US13929801

    申请日:2013-06-28

    IPC分类号: G02B13/00 G02B15/177

    CPC分类号: G02B13/009 G02B15/177

    摘要: A zoom lens and a zoom lens module are provided. The zoom lens is configured to form an image of an object at an object side onto an image plane at an image side. The zoom lens includes a first lens group, a second lens group, a third lens group and a fourth lens group disposed in sequence from the object side towards the image side. The refractive powers of the first lens group, the second lens group, and the third lens group are negative, positive, and negative, respectively. The zoom lens satisfies 1.90

    摘要翻译: 提供变焦镜头和变焦镜头模块。 变焦透镜被配置为将物体侧​​的物体的图像形成在像侧的图像平面上。 变焦透镜包括从物体侧朝向像侧依次设置的第一透镜组,第二透镜组,第三透镜​​组和第四透镜组。 第一透镜组,第二透镜组和第三透镜组的折射力分别为负,正和负。 变焦镜头满足1.90 <| T1G / FW | <2.40。 T1G是第一透镜组沿着变焦透镜的光轴的距离,并且FW是当变焦镜头处于宽端时变焦镜头的有效焦距。

    ZOOM LENS AND ZOOM LENS MODULE
    9.
    发明申请
    ZOOM LENS AND ZOOM LENS MODULE 有权
    变焦镜头和变焦镜头模块

    公开(公告)号:US20140002715A1

    公开(公告)日:2014-01-02

    申请号:US13929801

    申请日:2013-06-28

    IPC分类号: G02B13/00

    CPC分类号: G02B13/009 G02B15/177

    摘要: A zoom lens and a zoom lens module are provided. The zoom lens is configured to form an image of an object at an object side onto an image plane at an image side. The zoom lens includes a first lens group, a second lens group, a third lens group and a fourth lens group disposed in sequence from the object side towards the image side. The refractive powers of the first lens group, the second lens group, and the third lens group are negative, positive, and negative, respectively. The zoom lens satisfies 1.90

    摘要翻译: 提供变焦镜头和变焦镜头模块。 变焦透镜被配置为将物体侧​​的物体的图像形成在像侧的图像平面上。 变焦透镜包括从物体侧朝向像侧依次设置的第一透镜组,第二透镜组,第三透镜​​组和第四透镜组。 第一透镜组,第二透镜组和第三透镜组的折射力分别为负,正和负。 变焦镜头满足1.90 <| T1G / FW | <2.40。 T1G是第一透镜组沿着变焦透镜的光轴的距离,并且FW是当变焦镜头处于宽端时变焦镜头的有效焦距。

    ZOOM LENS
    10.
    发明申请
    ZOOM LENS 有权
    变焦镜头

    公开(公告)号:US20120026603A1

    公开(公告)日:2012-02-02

    申请号:US13186484

    申请日:2011-07-20

    IPC分类号: G02B15/14

    摘要: A zoom lens disposed between an object side and an image side and including a first, second, third, and fourth lens group is provided. The first lens group has a negative refractive power and includes a first lens and a prism arranged in sequence from the object side to the image side. The first lens is an aspheric lens. A distance between the first lens and the prism is L, an effective focal length of the zoom lens at a wide-end is fw, and 1.58

    摘要翻译: 设置在物体侧和图像侧之间并且包括第一,第二,第三和第四透镜组的变焦透镜。 第一透镜组具有负屈光力,并且包括从物体侧到像侧依次布置的第一透镜和棱镜。 第一透镜是非球面透镜。 第一透镜和棱镜之间的距离为L,变焦镜头在宽端的有效焦距为fw,1.58