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    • 5. 发明授权
    • Zoom lens system and electronic image pickup apparatus using the same
    • 变焦镜头系统和使用其的电子摄像装置
    • US07339745B2
    • 2008-03-04
    • US11639608
    • 2006-12-14
    • Kouki HozumiKazuya NishimuraMasashi HankawaToru Miyajima
    • Kouki HozumiKazuya NishimuraMasashi HankawaToru Miyajima
    • G02B15/14
    • G02B15/177
    • A zoom lens system comprising, a first negative lens unit; a second positive lens unit; and a third negative lens unit, wherein a space between the second and third lens units changes during magnification change or focusing operation; the second lens unit and the third lens unit move only to the object side during the magnification change from a wide-angle end to a telephoto end so that a space between the first and second lens units is narrower in the telephoto end than in the wide-angle end; the first lens unit comprises a negative lens and a positive lens; the second lens unit comprises at most three lenses; the third lens unit comprises a negative lens; and the following condition (1) is satisfied: 0.7
    • 一种变焦透镜系统,包括:第一负透镜单元; 第二正透镜单元; 和第三负透镜单元,其中第二和第三透镜单元之间的空间在放大变化或聚焦操作期间改变; 第二透镜单元和第三透镜单元在从广角端到望远端的放大变化期间仅移动到物体侧,使得第一和第二透镜单元之间的空间在远摄端比在宽 角结束 第一透镜单元包括负透镜和正透镜; 所述第二透镜单元至少包括三个透镜; 第三透镜单元包括负透镜; 并且满足以下条件(1):<?in-line-formula description =“In-line formula”end =“lead”?> 0.7
    • 6. 发明申请
    • Zoom lens system and electronic image pickup apparatus using the same
    • 变焦镜头系统和使用其的电子摄像装置
    • US20070146897A1
    • 2007-06-28
    • US11639608
    • 2006-12-14
    • Kouki HozumiKazuya NishimuraMasashi HankawaToru Miyajima
    • Kouki HozumiKazuya NishimuraMasashi HankawaToru Miyajima
    • G02B15/14
    • G02B15/177
    • A zoom lens system comprising, a first negative lens unit; a second positive lens unit; and a third negative lens unit, wherein a space between the second and third lens units changes during magnification change or focusing operation; the second lens unit and the third lens unit move only to the object side during the magnification change from a wide-angle end to a telephoto end so that a space between the first and second lens units is narrower in the telephoto end than in the wide-angle end; the first lens unit comprises a negative lens and a positive lens; the second lens unit comprises at most three lenses; the third lens unit comprises a negative lens; and the following condition (1) is satisfied: 0.7
    • 一种变焦透镜系统,包括:第一负透镜单元; 第二正透镜单元; 和第三负透镜单元,其中第二和第三透镜单元之间的空间在放大变化或聚焦操作期间改变; 第二透镜单元和第三透镜单元在从广角端到望远端的放大变化期间仅移动到物体侧,使得第一和第二透镜单元之间的空间在远摄端比在宽 角结束 第一透镜单元包括负透镜和正透镜; 所述第二透镜单元至少包括三个透镜; 第三透镜单元包括负透镜; 并且满足以下条件(1):<?in-line-formula description =“In-line formula”end =“lead”?> 0.7
    • 7. 发明授权
    • Zoom lens system and electronic image pickup apparatus using the same
    • 变焦镜头系统和使用其的电子摄像装置
    • US07719774B2
    • 2010-05-18
    • US12072710
    • 2008-02-26
    • Tomoyuki SatoriToru MiyajimaMasahiro ImamuraKazuya Nishimura
    • Tomoyuki SatoriToru MiyajimaMasahiro ImamuraKazuya Nishimura
    • G02B15/14
    • G02B15/173
    • In a zoom lens system, at a time of zooming from a wide angle end to a telephoto end, when focused on an object at a longest distance, at the telephoto end, a first lens unit moves to be positioned more toward an object side, than at a wide angle end, at the telephoto end, a second lens unit moves to be positioned more toward an image side, than at the wide angle end, at the telephoto end, an aperture stop and a third lens unit moves to be positioned more toward the object side, than at the wide angle end, and a combined system of the first lens unit and the second lens unit at the wide angle end has a negative refracting power, and at the time of zooming from the wide angle end to the telephoto end, the second lens unit is positioned more toward the object side than a position of the second lens unit at the wide angle end, and the first lens unit moves to be positioned more toward the object side, than at the wide angle end, at the intermediate zoom state, and in the intermediate zoom state, the aperture stop, the third lens unit, and an object point of the third lens unit move to be positioned more toward the object side, than at the wide angle end, and the zoom lens system satisfies predetermined conditional expressions.
    • 在变焦透镜系统中,在从广角端到望远端的变焦时,当以最长距离聚焦在物体上时,在望远端,第一透镜单元移动以更靠近物体侧定位, 在广角端,在长焦端,第二透镜单元移动以在远摄端处比在广角端更靠近图像侧,孔径光阑和第三透镜单元移动以被定位 更多地朝向物体侧,而不是广角端,并且在广角端处的第一透镜单元和第二透镜单元的组合系统具有负折射力,并且在从广角端变焦到 远摄端,第二透镜单元比广角端处的第二透镜单元的位置更靠近物体侧,并且第一透镜单元移动到更靠近物体侧的位置比在广角端 ,处于中间缩放状态,以及中间缩放 状态下,孔径光阑,第三透镜​​单元和第三透镜单元的物体比广角端更靠近物体侧,并且变焦透镜系统满足预定的条件表达式。
    • 8. 发明申请
    • Zoom lens system and electronic image pickup apparatus using the same
    • 变焦镜头系统和使用其的电子摄像装置
    • US20080204892A1
    • 2008-08-28
    • US12072710
    • 2008-02-26
    • Tomoyuki SatoriToru MiyajimaMasahiro ImamuraKazuya Nishimura
    • Tomoyuki SatoriToru MiyajimaMasahiro ImamuraKazuya Nishimura
    • G02B15/14
    • G02B15/173
    • In a zoom lens system, at a time of zooming from a wide angle end to a telephoto end, when focused on an object at a longest distance, at the telephoto end, a first lens unit moves to be positioned more toward an object side, than at a wide angle end, at the telephoto end, a second lens unit moves to be positioned more toward an image side, than at the wide angle end, at the telephoto end, an aperture stop and a third lens unit moves to be positioned more toward the object side, than at the wide angle end, and a combined system of the first lens unit and the second lens unit at the wide angle end has a negative refracting power, and at the time of zooming from the wide angle end to the telephoto end, the second lens unit is positioned more toward the object side than a position of the second lens unit at the wide angle end, and the first lens unit moves to be positioned more toward the object side, than at the wide angle end, at the intermediate zoom state, and in the intermediate zoom state, the aperture stop, the third lens unit, and an object point of the third lens unit move to be positioned more toward the object side, than at the wide angle end, and the zoom lens system satisfies predetermined conditional expressions.
    • 在变焦透镜系统中,在从广角端到望远端的变焦时,当以最长距离聚焦在物体上时,在望远端,第一透镜单元移动以更靠近物体侧定位, 在广角端,在长焦端,第二透镜单元移动以在远摄端处比在广角端更靠近图像侧,孔径光阑和第三透镜单元移动以被定位 更多地朝向物体侧,而不是广角端,并且在广角端处的第一透镜单元和第二透镜单元的组合系统具有负折射力,并且在从广角端变焦到 远摄端,第二透镜单元比广角端处的第二透镜单元的位置更靠近物体侧,并且第一透镜单元移动到更靠近物体侧的位置比在广角端 ,处于中间缩放状态,以及中间缩放 状态下,孔径光阑,第三透镜​​单元和第三透镜单元的物体比广角端更靠近物体侧,并且变焦透镜系统满足预定条件表达式。