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    • 21. 发明申请
    • Zoom lens and imaging apparatus incorporating the same
    • 变焦镜头和包含其的成像装置
    • US20090174950A1
    • 2009-07-09
    • US12317471
    • 2008-12-22
    • Masashi HankawaTomoyuki Satori
    • Masashi HankawaTomoyuki Satori
    • G02B15/16
    • G02B15/173
    • A zoom lens comprises, in order from its object side, a first lens group of positive refracting power, a second lens group of negative refracting power, and a third lens group of positive refracting power located on an image side with respect to the second lens group. Upon zooming from the wide-angle end to the telephoto end, the spacing between the first lens group and the second lens group grows wider at the telephoto end than at the wide-angle end, and the spacing between the second lens group and the third lens group becomes narrower at the telephoto end than at the wide-angle end. The first lens group comprises a negative lens and a positive lens, and the number of the negative lens in the first lens group is only one. At least one positive lens in the first lens group satisfies the following conditions (1) and (2): 1.80
    • 变焦透镜从其对象侧依次包括正折射率的第一透镜组,负折射光焦度的第二透镜组和位于相对于第二透镜的像侧的正折射率的第三透镜组 组。 当从广角端到长焦端放大时,第一透镜组和第二透镜组之间的间距在远摄端处比在广角端处增长得更宽,并且第二透镜组和第三透镜组之间的间隔 透镜组在远摄端比在广角端变窄。 第一透镜组包括负透镜和正透镜,并且第一透镜组中的负透镜的数量仅为一。 第一透镜组中的至少一个正透镜满足以下条件(1)和(2):<?in-line-formula description =“In-line formula”end =“lead”?> 1.80 <?in-line-formula description =“In-line Formulas”end =“lead”?> 50.0 其中ndlp是第一透镜组中至少一个正透镜的d线折射率,而nudlp 是第一透镜组中的至少一个正透镜的阿贝常数。
    • 22. 发明授权
    • Zoom lens system and electronic image pickup apparatus
    • 变焦镜头系统和电子摄像装置
    • US07477455B2
    • 2009-01-13
    • US11894501
    • 2007-08-20
    • Tomoyuki Satori
    • Tomoyuki Satori
    • G02B15/14
    • G02B15/173
    • There is disclosed a zoom lens system comprising, in order from an object side, a positive first lens unit, a negative second lens unit, a positive third lens unit and a fourth lens unit having a refractive power, during magnification change from a wide-angle end to a telephoto end, a space between the first lens unit and the second lens unit, a space between the second lens unit and the third lens unit and a space between the third lens unit and the fourth lens unit change, the second lens unit has a double-concave negative lens closest to the object side, and includes two or less negative lenses and one positive lens as a whole, the total number of the lenses of the second lens unit is two or three, and the following conditions are satisfied: 0.0
    • 公开了一种变焦透镜系统,其从物体侧起依次具有正宽度变化的正的第一透镜单元,负的第二透镜单元,正的第三透镜单元和具有折射光焦度的第四透镜单元, 第一透镜单元和第二透镜单元之间的空间,第二透镜单元和第三透镜单元之间的空间以及第三透镜单元与第四透镜单元之间的间隔改变,第二透镜 单元具有最靠近物体侧的双凹负透镜,并且包括两个或更少的负透镜和一个正透镜作为整体,第二透镜单元的透镜总数为两个或三个,并且以下条件是 满足:<?in-line-formula description =“In-line Formulas”end =“lead”?> 0.0 <?in-line-formula description =“In-line Formulas”end =“lead”?> 3.8
    • 23. 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。
    • 24. 发明授权
    • Zoom lens and imaging system incorporating it
    • 变焦镜头与成像系统相结合
    • US07277233B2
    • 2007-10-02
    • US11322564
    • 2006-01-03
    • Tomoyuki Satori
    • Tomoyuki Satori
    • G02B15/14
    • G02B15/177
    • The invention relates to a small-format yet high-performance two units or three units type zoom lens with a negative unit at the front, which has a zoom ratio of about 3, an angle of view of as wide as 60° at the wide-angle end and high image-formation capability, and is much less susceptible to chromatic blurring, with a compact lens barrel. The zoom lens comprises a first lens unit G1 of negative refracting power and a second lens unit G2 of positive power, wherein zooming is implemented by varying the space between the lens units. The first lens unit G1 is made up of one negative lens L11 and one positive lens L12, two in all, and satisfies specific conditions with respect to their refractive index and Abbe constant.
    • 本发明涉及一种小型高性能两单元或三单元型变焦镜头,其前端具有负单元,其变焦比约为3,宽广角度为60° 具有镜头端和高图像形成能力,并且不太容易受到彩色模糊,具有紧凑的镜筒。 变焦透镜包括负折射率的第一透镜单元G 1和正光焦度的第二透镜单元G 2,其中通过改变透镜单元之间的空间来实现变焦。 第一透镜单元G 1由一个负透镜L 11和一个正透镜L 12组成,总共两个,并且满足关于它们的折射率的特定条件 和阿贝常数。
    • 25. 发明申请
    • Zoom lens and imaging system incorporating it
    • 变焦镜头与成像系统相结合
    • US20060152815A1
    • 2006-07-13
    • US11322564
    • 2006-01-03
    • Tomoyuki Satori
    • Tomoyuki Satori
    • G02B15/14
    • G02B15/177
    • The invention relates to a small-format yet high-performance two units or three units type zoom lens with a negative unit at the front, which has a zoom ratio of about 3, an angle of view of as wide as 60° at the wide-angle end and high image-formation capability, and is much less susceptible to chromatic blurring, with a compact lens barrel. The zoom lens comprises a first lens unit G1 of negative refracting power and a second lens unit G2 of positive power, wherein zooming is implemented by varying the space between the lens units. The first lens unit G1 is made up of one negative lens L11 and one positive lens L12, two in all, and satisfies specific conditions with respect to their refractive index and Abbe constant.
    • 本发明涉及一种小型高性能两单元或三单元型变焦镜头,其前端具有负单元,其变焦比约为3,宽广角度为60° 具有镜头端和高图像形成能力,并且不太容易受到彩色模糊,具有紧凑的镜筒。 变焦透镜包括负折射率的第一透镜单元G 1和正光焦度的第二透镜单元G 2,其中通过改变透镜单元之间的空间来实现变焦。 第一透镜单元G 1由一个负透镜L 11和一个正透镜L 12组成,总共两个,并且满足关于它们的折射率的特定条件 和阿贝常数。
    • 26. 发明授权
    • Camera provided with eyepiece
    • 相机配有目镜
    • US06804462B2
    • 2004-10-12
    • US10412678
    • 2003-04-14
    • Yasuzi OgataTomoyuki Satori
    • Yasuzi OgataTomoyuki Satori
    • G03B1306
    • G03B19/12G02B23/14
    • A camera includes a screen on which an image of an object is projected, a plurality of reflection surfaces for erecting the image on the screen, and an eyepiece system with positive refracting power for observing the image. In this case, the eyepiece system includes, in order from the object side, a first lens component with positive refracting power, a second lens component with positive refracting power, and a third lens component with negative refracting power. Spacings between the first lens component and the second lens component and between the second lens component and the third lens component are changed to thereby make a diopter adjustment, and the camera satisfies the following conditions: 0.15
    • 相机包括投影物体的图像的屏幕,用于在屏幕上竖起图像的多个反射面,以及具有用于观察图像的正折射力的目镜系统。 在这种情况下,目镜系统从物体侧依次包括具有正折射力的第一透镜部件,具有正折射力的第二透镜部件和具有负折射力的第三透镜部件。 改变第一透镜部件和第二透镜部件之间以及第二透镜部件和第三透镜部件之间的间隔,从而进行屈光度调节,并且相机满足以下条件:其中S是屈光度为0的角度 由最离轴的主光线沿着光轴从第三透镜部件的光轴的出射面沿着光轴以23mm的距离穿过光轴; fb是从屏幕到第一透镜部件的入射面的0m -1的屈光度的空气当量长度; Y是屏幕上画面的对角线长度; f3是第三透镜部件的焦距; f是整个系统从目镜系统的屏幕到出射表面的屈光度为0 m -1的焦距。
    • 30. 发明授权
    • Zoom lens and imaging apparatus incorporating the same
    • 变焦镜头和包含其的成像装置
    • US07692872B2
    • 2010-04-06
    • US12317471
    • 2008-12-22
    • Masashi HankawaTomoyuki Satori
    • Masashi HankawaTomoyuki Satori
    • G02B15/14
    • G02B15/173
    • A zoom lens comprises, in order from its object side, a first lens group of positive refracting power, a second lens group of negative refracting power, and a third lens group of positive refracting power located on an image side with respect to the second lens group. Upon zooming from the wide-angle end to the telephoto end, the spacing between the first lens group and the second lens group grows wider at the telephoto end than at the wide-angle end, and the spacing between the second lens group and the third lens group becomes narrower at the telephoto end than at the wide-angle end. The first lens group comprises a negative lens and a positive lens, and the number of the negative lens in the first lens group is only one. At least one positive lens in the first lens group satisfies the following conditions (1) and (2): 1.80
    • 变焦透镜从其对象侧依次包括正折射率的第一透镜组,负折射光焦度的第二透镜组和位于相对于第二透镜的像侧的正折射率的第三透镜组 组。 当从广角端到长焦端放大时,第一透镜组和第二透镜组之间的间距在远摄端处比在广角端处增长得更宽,并且第二透镜组和第三透镜组之间的间隔 透镜组在远摄端比在广角端变窄。 第一透镜组包括负透镜和正透镜,并且第一透镜组中的负透镜的数量仅为一。 第一透镜组中的至少一个正透镜满足以下条件(1)和(2):1.80