Zoom lens system, imaging device and camera
    1.
    发明授权
    Zoom lens system, imaging device and camera 有权
    变焦镜头系统,成像设备和相机

    公开(公告)号:US07817350B2

    公开(公告)日:2010-10-19

    申请号:US12022791

    申请日:2008-01-30

    IPC分类号: G02B15/14

    CPC分类号: G02B15/177

    摘要: An object of the present invention is to provide: a zoom lens system that has a high resolution, high capability of compensating curvature of field, a high zoom ratio of, for example, 3 or greater, a reduced weight, and a reduced overall optical length at the time of non-use; and an imaging device and a camera that employ this zoom lens system so as to have a reduced thickness and excellent portability as well as high performance. The zoom lens system forms an optical image of an object with variable magnification and, in order from the object side to the image side, comprises: a first lens unit having negative optical power; a second lens unit that has positive optical power and that contains a bi-convex lens element composed of a resin material and serving as the most image side lens element; and a third lens unit having positive optical power. Then, the lens units move respectively along the optical axis in such a manner that intervals between the individual lens units should vary so that the variable magnification is achieved. Further, the condition |(R2mi1+R2mi2)/(R2mi1−R2mi2)|

    摘要翻译: 本发明的一个目的是提供:一种变焦透镜系统,其具有高分辨率,高补偿场景能力,例如3或更大的高变焦比,重量减轻,以及减小的整体光学 不使用时的长度; 以及使用该变焦透镜系统以便具有减小的厚度和优异的便携性以及高性能的成像装置和照相机。 变焦透镜系统形成具有可变倍率的物体的光学图像,并且从物体侧到像侧依次包括:具有负光焦度的第一透镜单元; 具有正光焦度并且包含由树脂材料构成并用作最多像侧透镜元件的双凸透镜元件的第二透镜单元; 以及具有正光焦度的第三透镜单元。 然后,透镜单元分别沿着光轴移动,使得各个透镜单元之间的间隔应变化,使得实现可变放大倍率。 此外,条件|(R2mi1 + R2mi2)/(R2mi1-R2mi2)| <1.0(R2mi1是第二透镜单元的最大像侧透镜元件的物体侧的曲率半径,而R2mi2是曲率半径 在第二透镜单元的最大像侧透镜元件的像侧上)。 成像装置和相机采用该变焦透镜系统。

    Zoom lens system, imaging device and camera
    2.
    发明授权
    Zoom lens system, imaging device and camera 有权
    变焦镜头系统,成像设备和相机

    公开(公告)号:US08179611B2

    公开(公告)日:2012-05-15

    申请号:US12581561

    申请日:2009-10-19

    IPC分类号: G02B15/14

    CPC分类号: G02B15/177

    摘要: An object of the present invention is to provide: a zoom lens system that has a high resolution, high capability of compensating curvature of field, a high zoom ratio of, for example, 3 or greater, a reduced weight, and a reduced overall optical length at the time of non-use; and an imaging device and a camera that employ this zoom lens system so as to have a reduced thickness and excellent portability as well as high performance. The zoom lens system forms an optical image of an object with variable magnification and, in order from the object side to the image side, comprises: a first lens unit having negative optical power; a second lens unit that has positive optical power and that contains a bi-convex lens element composed of a resin material and serving as the most image side lens element; and a third lens unit having positive optical power. Then, the lens units move respectively along the optical axis in such a manner that intervals between the individual lens units should vary so that the variable magnification is achieved. Further, the condition |(R2mi1+R2mi2)/(R2mi1−R2mi2)|≦1.0 (R2mi1 is a radius of curvature on the object side of the most image side lens element of the second lens unit, while R2mi2 is a radius of curvature on the image side of the most image side lens element of the second lens unit) is satisfied. The imaging device and the camera employ this zoom lens system.

    摘要翻译: 本发明的一个目的是提供:一种变焦透镜系统,其具有高分辨率,高补偿场景能力,例如3或更大的高变焦比,重量减轻,以及减小的整体光学 不使用时的长度; 以及使用该变焦透镜系统以便具有减小的厚度和优异的便携性以及高性能的成像装置和照相机。 变焦透镜系统形成具有可变倍率的物体的光学图像,并且从物体侧到像侧依次包括:具有负光焦度的第一透镜单元; 具有正光焦度并且包含由树脂材料构成并用作最多像侧透镜元件的双凸透镜元件的第二透镜单元; 以及具有正光焦度的第三透镜单元。 然后,透镜单元分别沿着光轴移动,使得各个透镜单元之间的间隔应变化,使得实现可变放大倍率。 此外,条件|(R2mi1 + R2mi2)/(R2mi1-R2mi2)|&nlE; 1.0(R2mi1是第二透镜单元的最大像侧透镜元件的物体侧的曲率半径,而R2mi2是 满足第二透镜单元的最大像侧透镜元件的像侧的曲率)。 成像装置和相机采用该变焦透镜系统。

    ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA
    3.
    发明申请
    ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA 有权
    变焦镜头系统,成像装置和摄像机

    公开(公告)号:US20100128362A1

    公开(公告)日:2010-05-27

    申请号:US12581561

    申请日:2009-10-19

    IPC分类号: G02B15/177

    CPC分类号: G02B15/177

    摘要: An object of the present invention is to provide: a zoom lens system that has a high resolution, high capability of compensating curvature of field, a high zoom ratio of, for example, 3 or greater, a reduced weight, and a reduced overall optical length at the time of non-use; and an imaging device and a camera that employ this zoom lens system so as to have a reduced thickness and excellent portability as well as high performance. The zoom lens system forms an optical image of an object with variable magnification and, in order from the object side to the image side, comprises: a first lens unit having negative optical power; a second lens unit that has positive optical power and that contains a bi-convex lens element composed of a resin material and serving as the most image side lens element; and a third lens unit having positive optical power. Then, the lens units move respectively along the optical axis in such a manner that intervals between the individual lens units should vary so that the variable magnification is achieved. Further, the condition |(R2mi1+R2mi2)/(R2mi1−R2mi2)|≦1.0 (R2mi1 is a radius of curvature on the object side of the most image side lens element of the second lens unit, while R2mi2 is a radius of curvature on the image side of the most image side lens element of the second lens unit) is satisfied. The imaging device and the camera employ this zoom lens system.

    摘要翻译: 本发明的一个目的是提供:一种变焦透镜系统,其具有高分辨率,高补偿场景能力,例如3或更大的高变焦比,重量减轻,以及减小的整体光学 不使用时的长度; 以及使用该变焦透镜系统以便具有减小的厚度和优异的便携性以及高性能的成像装置和照相机。 变焦透镜系统形成具有可变倍率的物体的光学图像,并且从物体侧到像侧依次包括:具有负光焦度的第一透镜单元; 具有正光焦度并且包含由树脂材料构成并用作最多像侧透镜元件的双凸透镜元件的第二透镜单元; 以及具有正光焦度的第三透镜单元。 然后,透镜单元分别沿着光轴移动,使得各个透镜单元之间的间隔应变化,使得实现可变放大倍率。 此外,条件|(R2mi1 + R2mi2)/(R2mi1-R2mi2)|&nlE; 1.0(R2mi1是第二透镜单元的最大像侧透镜元件的物体侧的曲率半径,而R2mi2是 满足第二透镜单元的最大像侧透镜元件的像侧的曲率)。 成像装置和相机采用该变焦透镜系统。

    ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA
    4.
    发明申请
    ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA 有权
    变焦镜头系统,成像设备和摄像机

    公开(公告)号:US20100097708A1

    公开(公告)日:2010-04-22

    申请号:US12581543

    申请日:2009-10-19

    IPC分类号: G02B15/177

    CPC分类号: G02B15/177

    摘要: An object of the present invention is to provide: a zoom lens system that has a high resolution, high capability of compensating curvature of field, a high zoom ratio of, for example, 3 or greater, a reduced weight, and a reduced overall optical length at the time of non-use; and an imaging device and a camera that employ this zoom lens system so as to have a reduced thickness and excellent portability as well as high performance. The zoom lens system forms an optical image of an object with variable magnification and, in order from the object side to the image side, comprises: a first lens unit having negative optical power; a second lens unit that has positive optical power and that contains a bi-convex lens element composed of a resin material and serving as the most image side lens element; and a third lens unit having positive optical power. Then, the lens units move respectively along the optical axis in such a manner that intervals between the individual lens units should vary so that the variable magnification is achieved. Further, the condition |(R2mi1+R2mi2)/(R2mi1−R2mi2)|

    摘要翻译: 本发明的一个目的是提供:一种变焦透镜系统,其具有高分辨率,高补偿场景能力,例如3或更大的高变焦比,重量减轻,以及减小的整体光学 不使用时的长度; 以及使用该变焦透镜系统以便具有减小的厚度和优异的便携性以及高性能的成像装置和照相机。 变焦透镜系统形成具有可变倍率的物体的光学图像,并且从物体侧到像侧依次包括:具有负光焦度的第一透镜单元; 具有正光焦度并且包含由树脂材料构成并用作最多像侧透镜元件的双凸透镜元件的第二透镜单元; 以及具有正光焦度的第三透镜单元。 然后,透镜单元分别沿着光轴移动,使得各个透镜单元之间的间隔应变化,使得实现可变放大倍率。 此外,条件|(R2mi1 + R2mi2)/(R2mi1-R2mi2)| <1.0(R2mi1是第二透镜单元的最大像侧透镜元件的物体侧的曲率半径,而R2mi2是曲率半径 在第二透镜单元的最大像侧透镜元件的像侧上)。 成像装置和相机采用该变焦透镜系统。

    Zoom lens system, imaging device and camera
    5.
    发明授权
    Zoom lens system, imaging device and camera 有权
    变焦镜头系统,成像设备和相机

    公开(公告)号:US08098442B2

    公开(公告)日:2012-01-17

    申请号:US12581543

    申请日:2009-10-19

    IPC分类号: G02B15/14

    CPC分类号: G02B15/177

    摘要: An object of the present invention is to provide: a zoom lens system that has a high resolution, high capability of compensating curvature of field, a high zoom ratio of, for example, 3 or greater, a reduced weight, and a reduced overall optical length at the time of non-use; and an imaging device and a camera that employ this zoom lens system so as to have a reduced thickness and excellent portability as well as high performance. The zoom lens system forms an optical image of an object with variable magnification and, in order from the object side to the image side, comprises: a first lens unit having negative optical power; a second lens unit that has positive optical power and that contains a bi-convex lens element composed of a resin material and serving as the most image side lens element; and a third lens unit having positive optical power. Then, the lens units move respectively along the optical axis in such a manner that intervals between the individual lens units should vary so that the variable magnification is achieved. Further, the condition |(R2mi1+R2mi2)/(R2mi1−R2mi2)|

    摘要翻译: 本发明的一个目的是提供:一种变焦透镜系统,其具有高分辨率,高补偿场景能力,例如3或更大的高变焦比,重量减轻,以及减小的整体光学 不使用时的长度; 以及使用该变焦透镜系统以便具有减小的厚度和优异的便携性以及高性能的成像装置和照相机。 变焦透镜系统形成具有可变倍率的物体的光学图像,并且从物体侧到像侧依次包括:具有负光焦度的第一透镜单元; 具有正光焦度并且包含由树脂材料构成并用作最多像侧透镜元件的双凸透镜元件的第二透镜单元; 以及具有正光焦度的第三透镜单元。 然后,透镜单元分别沿着光轴移动,使得各个透镜单元之间的间隔应变化,使得实现可变放大倍率。 此外,条件|(R2mi1 + R2mi2)/(R2mi1-R2mi2)| <1.0(R2mi1是第二透镜单元的最大像侧透镜元件的物体侧的曲率半径,而R2mi2是曲率半径 在第二透镜单元的最大像侧透镜元件的像侧上)。 成像装置和相机采用该变焦透镜系统。

    Camera system and camera body
    6.
    发明授权
    Camera system and camera body 有权
    相机系统和相机机身

    公开(公告)号:US08155512B2

    公开(公告)日:2012-04-10

    申请号:US12374629

    申请日:2007-07-20

    IPC分类号: G03B17/00

    摘要: The camera system is constituted by the camera main body and the interchangeable lens which is removably attachable to the camera main body. The camera main body has an imaging unit, a main body shake detector, a main body image blur corrector, and a body microcomputer configured to control the imaging unit, the shake detector, and the image blur corrector. The interchangeable lens has a shake detector, an image blur corrector, and a lens microcomputer configured to control the shake detector and the image blur corrector. The body microcomputer selects either the main body or lens shake detector, activates the selected shake detector, and stops the other shake detector.

    摘要翻译: 相机系统由相机主体和可拆卸地附接到相机主体的可互换镜头构成。 相机主体具有成像单元,主体抖动检测器,主体图像模糊校正器和被配置为控制成像单元,抖动检测器和图像模糊校正器的主体微计算机。 可互换镜头具有抖动检测器,图像模糊校正器和被配置为控制抖动检测器和图像模糊校正器的镜头微型计算机。 机体微机选择主体或镜头抖动检测器,激活所选择的抖动检测器,并停止其他抖动检测器。

    Image blur correction for a camera system and display of comparison of camera and lens blur correction specifications
    7.
    发明授权
    Image blur correction for a camera system and display of comparison of camera and lens blur correction specifications 有权
    相机系统的图像模糊校正和相机和镜头模糊校正规格比较的显示

    公开(公告)号:US08040381B2

    公开(公告)日:2011-10-18

    申请号:US12096101

    申请日:2006-12-01

    IPC分类号: H04N5/228

    摘要: There are provided a camera system which operates the proper image blur corrector when image blur correction devices are incorporated in a camera body and in an interchangeable lens, and a method for controlling this camera system. The camera system (1) includes the camera body (3) and the interchangeable lens (2), which is removably attachable to the camera body (3). The camera body (3) has an imaging unit (71), the body image blur corrector (75), and a body microprocessor (12) configured to control the operation of the imaging unit (71) and the body image blur corrector (75). The interchangeable lens (2) has the lens image blur corrector (82) and a lens microprocessor (20) configured to control the operation of the lens image blur corrector (82). The body microcomputer (12) selects either the body or lens image blur corrector (75 or 82), sets the selected image blur corrector to a correction enabled state, and sets the other image blur corrector to a correction disabled state.

    摘要翻译: 提供了当图像模糊校正装置并入相机机身和可互换镜头时操作适当的图像模糊校正器的相机系统以及用于控制该相机系统的方法。 相机系统(1)包括相机主体(3)和可拆卸地附接到照相机主体(3)的可更换镜头(2)。 相机主体(3)具有成像单元(71),身体图像模糊校正器(75)和被配置为控制成像单元(71)和身体图像模糊校正器(75)的操作的主体微处理器(12) )。 可互换透镜(2)具有透镜图像模糊校正器(82)和被配置为控制透镜图像模糊校正器(82)的操作的透镜微处理器(20)。 主体微计算机(12)选择身体或镜头图像模糊校正器(75或82),将所选择的图像模糊校正器设置为校正使能状态,并将另一图像模糊校正器设置为校正禁止状态。

    Zoom lens system, imaging device and camera
    8.
    发明授权
    Zoom lens system, imaging device and camera 有权
    变焦镜头系统,成像设备和相机

    公开(公告)号:US07800831B2

    公开(公告)日:2010-09-21

    申请号:US12561943

    申请日:2009-09-17

    IPC分类号: G02B15/14

    CPC分类号: G02B15/177 G02B7/021

    摘要: A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a first cemented lens element of two lens elements having power of mutually different signs and a second cemented lens element of two lens elements having power of mutually different signs; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0 35, αiW is an incident angle of a principal ray to an image sensor at a maximum image height at a wide-angle limit, n11 is a refractive index of the first lens element to the d-line, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system at a telephoto limit and a wide-angle limit, respectively) are satisfied.

    摘要翻译: 一种变焦透镜系统,包括具有负功率的第一透镜单元,具有正光焦度的第二透镜单元和具有正光焦度的第三透镜单元,其中:所述第一透镜单元包括至少在图像侧具有凹面的第一透镜元件 负电源和至少在物体侧具有凸面的正电力的第二透镜元件; 第二透镜单元包括具有相互不同标志的功率的两个透镜元件的第一胶合透镜元件和具有相互不同符号的力的两个透镜元件的第二胶合透镜元件; 在变焦中,所有的透镜单元沿光轴移动; 和条件(1):5.0 <αiW<20.0和(I-2):n11≥1.9(其中,3.2 35,αiW是主光线与图像传感器的最大入射角 在广角极限处的图像高度,n11是第一透镜元件对d线的折射率,ωW是广角极限处的半视角,fT和fW是整个系统的焦距 分别为远摄极限和广角限制)。

    ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA
    9.
    发明申请
    ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA 有权
    变焦镜头系统,成像设备和摄像机

    公开(公告)号:US20100226019A1

    公开(公告)日:2010-09-09

    申请号:US12785193

    申请日:2010-05-21

    IPC分类号: G02B15/14

    CPC分类号: G02B15/177 G02B7/021

    摘要: A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a cemented lens element fabricated by two lens elements having optical power of mutually different signs and one single lens element; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0 35, αiW is an incident angle of a principal ray to an image sensor at a maximum image height at a wide-angle limit, n11 is a refractive index of the first lens element to the d-line, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system at a telephoto limit and a wide-angle limit, respectively) are satisfied.

    摘要翻译: 一种变焦透镜系统,包括具有负功率的第一透镜单元,具有正光焦度的第二透镜单元和具有正光焦度的第三透镜单元,其中:所述第一透镜单元包括至少在图像侧具有凹面的第一透镜元件 负电源和至少在物体侧具有凸面的正电力的第二透镜元件; 第二透镜单元包括由具有相互不同标志的光学功率的两个透镜元件和一个单一透镜元件制成的胶合透镜元件; 在变焦中,所有的透镜单元沿光轴移动; 和条件(1):5.0 <αiW<20.0和(I-2):n11≥1.9(其中,3.2 35,αiW是主光线与图像传感器的最大入射角 在广角极限处的图像高度,n11是第一透镜元件对d线的折射率,ωW是广角极限处的半视角,fT和fW是整个系统的焦距 分别为远摄极限和广角限制)。