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    • 42. 发明申请
    • ZOOM LENS AND PHOTOGRAPHING APPARATUS HAVING THE SAME
    • 变焦镜头和摄影装置
    • US20110157719A1
    • 2011-06-30
    • US12942231
    • 2010-11-09
    • Shuji Yoneyama
    • Shuji Yoneyama
    • G02B15/14
    • G02B15/173G02B27/646
    • 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, and a fourth lens group. During zooming from a wide angle position to a telephoto position, the interval between the first lens group and the second lens group increases, the interval between the second lens group and the third lens group decreases, and an interval between the third lens group and the fourth lens group varies. The fourth lens group includes, sequentially from the object side, a first sub-lens group having a positive refractive power, a second sub-lens group having a negative refractive power, and a third sub-lens group. The second sub-lens group of the fourth lens group is moved along an optical axis to perform focusing.
    • 变焦透镜从对象侧依次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和第四透镜组。 在从广角位置到望远位置的变焦期间,第一透镜组和第二透镜组之间的间隔增加,第二透镜组和第三透镜组之间的间隔减小,并且第三透镜组与第三透镜组之间的间隔 第四透镜组不一样。 第四透镜组从物体侧依次包括具有正折光力的第一子透镜组,具有负屈光力的第二子透镜组和第三子透镜组。 第四透镜组的第二子透镜组沿着光轴移动以进行聚焦。
    • 43. 发明申请
    • TELEPHOTO LENS SYSTEM
    • 电视镜头系统
    • US20090262439A1
    • 2009-10-22
    • US12424004
    • 2009-04-15
    • Shuji Yoneyama
    • Shuji Yoneyama
    • G02B13/02
    • G02B13/02
    • Provided is a telephoto lens system. The telephoto lens system includes a first lens group having a positive refractive power, a second lens group having a negative refractive power, and a third lens group having a positive refractive power, which are arranged sequentially from an object side to an image side. Focusing is performed by moving the second lens group along an optical axis. The first lens group comprises (from object to image side) a positive lens having an object side surface whose radius of curvature is greater than that of an image side surface, a positive meniscus lens having a convex surface at the object side, a negative meniscus lens having a convex surface at the object side, and a positive lens having an object side surface whose radius of curvature is greater than that of an image side surface. The second lens group comprises (from object to image side) a doublet lens made up of a positive lens and a negative lens, and the third lens group comprises a doublet lens made up of a negative lens with a concave surface at the object side and a positive lens, and a positive lens.
    • 提供了一种长焦镜头系统。 长焦透镜系统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和具有正折光力的第三透镜组,其从物体侧到像侧依次布置。 通过沿着光轴移动第二透镜组来进行聚焦。 第一透镜组包括(从物体到像侧)具有物体侧表面的正透镜,该物镜侧表面的曲率半径大于图像侧表面的物体侧表面,在物体侧具有凸面的正弯月透镜,负弯液面 在物体侧具有凸面的透镜和具有比图像侧面的曲率半径大的物体侧面的正透镜。 第二透镜组包括(从物体到像侧)由正透镜和负透镜构成的双透镜,第三透镜​​组包括由物镜侧具有凹面的负透镜构成的双透镜,以及 正透镜和正透镜。
    • 45. 发明授权
    • Zoom lens having a wide angle of view and a high zooming ratio and a camera employing the same
    • 具有广视角和高变焦比的变焦镜头和使用该变焦镜头的相机
    • US07256946B2
    • 2007-08-14
    • US11487932
    • 2006-07-17
    • Shuji Yoneyama
    • Shuji Yoneyama
    • G02B15/14
    • G02B15/173
    • A zoom lens with a wide angle of view and a high zooming ratio and a camera employing the zoom lens. The zoom lens includes 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 negative refractive power, and a fifth lens group having a positive refractive power, wherein the first through fifth lens groups are sequentially arranged from an object side toward an image side. The first through fifth lens groups are moved during zooming between wide angle position to telephoto position in a manner that increases the distances between the first and second lens groups, between the third and fourth lens groups, and between the fourth and fifth lens groups and decreases a distance between the second and third lens groups. The zoom lens includes the five lens groups that are positive, negative, positive, negative, and positive, respectively, thus achieving a wide angle of view and a high zooming ratio.
    • 具有宽视角和高变焦比的变焦镜头和使用变焦镜头的相机。 变焦透镜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,具有负折光力的第四透镜组,以及具有负屈光力的第五透镜组,以及具有 正屈光力,其中第一至第五透镜组从物体侧朝向像侧顺序排列。 在增加第一和第二透镜组之间,第三透镜​​组和第四透镜组之间以及第四透镜组和第五透镜组之间的距离的方式下,第一至第五透镜组在广角位置与远摄位置之间变焦期间移动,并且减小 第二和第三透镜组之间的距离。 变焦镜头包括分别为正,负,正,负和正的五个透镜组,从而实现宽视角和高变焦比。
    • 47. 发明授权
    • Zoom lens system
    • 变焦镜头系统
    • US06982836B2
    • 2006-01-03
    • US11126235
    • 2005-05-11
    • Shuji Yoneyama
    • Shuji Yoneyama
    • G02B15/14
    • G02B15/173
    • A zoom lens system includes a positive first lens group, a negative second lens group, a positive third lens group, and a positive fourth lens group. Upon zooming, the second lens group moves from the object side to the image side, and the fourth lens group moves in order to compensate the move of the image plane. The fourth lens group includes sub-lens groups, wherein a first sub-lens group satisfies specific conditions. The first sub-lens group has an aspherical surface on at least the object-side surface thereof. The aspherical surface is formed so that the higher a height from the optical axis in a radial direction becomes the weaker the refractive power is, compared with a paraxial spherical surface.
    • 变焦透镜系统包括正的第一透镜组,负的第二透镜组,正的第三透镜组和正的第四透镜组。 在变焦时,第二透镜组从物体侧移动到图像侧,并且第四透镜组移动以补偿图像平面的移动。 第四透镜组包括子透镜组,其中第一子透镜组满足特定条件。 第一子透镜组在至少其物体侧表面上具有非球面。 形成非球面,使得与近轴球面相比,从径向方向的光轴的高度越高,折射力越弱。
    • 48. 发明申请
    • ZOOM LENS SYSTEM
    • 变焦镜头系统
    • US20050254138A1
    • 2005-11-17
    • US11126235
    • 2005-05-11
    • Shuji Yoneyama
    • Shuji Yoneyama
    • G02B15/16G02B13/18G02B15/14G02B15/173
    • G02B15/173
    • A zoom lens system includes a positive first lens group, a negative second lens group, a positive third lens group, and a positive fourth lens group. Upon zooming, the second lens group moves from the object side to the image side, and the fourth lens group moves in order to compensate the move of the image plane. The fourth lens group includes a first sub-lens group constituted by a positive lens element, and a second sub-lens group constituted by cemented lens elements having a negative lens element and a positive lens element. The first sub-lens group has an aspherical surface on at least the object-side surface thereof. The aspherical surface is formed so that the higher a height from the optical axis in a radial direction becomes the weaker the refractive power is, compared with a paraxial spherical surface; and the first sub-lens group satisfies the following conditions: −0.55
    • 变焦透镜系统包括正的第一透镜组,负的第二透镜组,正的第三透镜组和正的第四透镜组。 在变焦时,第二透镜组从物体侧移动到图像侧,并且第四透镜组移动以补偿图像平面的移动。 第四透镜组包括由正透镜元件构成的第一子透镜组和由具有负透镜元件和正透镜元件的胶合透镜元件构成的第二子透镜组。 第一子透镜组在至少其物体侧表面上具有非球面。 形成非球面,使得与近轴球面相比,从径向方向的光轴的高度越高,折射力越弱; 第一子透镜组满足以下条件:<?in-line-formula description =“In-line formula”end =“lead”?> -0.55 <?in-line-formula description =“In-line Formulas”end =“lead”?> 0.15 其中f 4 a:第四透镜组的第一子透镜组的焦距; f 4 b:第四透镜组的第二子透镜组的焦距; d 4 ab:第四透镜组的第一子透镜组和第二子透镜组之间的距离; f 4:第四透镜组的焦距。
    • 49. 发明授权
    • Optical viewer instrument with photographing function
    • 具有拍摄功能的光学观察仪器
    • US06937391B2
    • 2005-08-30
    • US10255609
    • 2002-09-27
    • Ken HirunumaAtsumi KanekoShuji YoneyamaMoriyasu KanaiGouji Funatsu
    • Ken HirunumaAtsumi KanekoShuji YoneyamaMoriyasu KanaiGouji Funatsu
    • G02B23/00G02B23/18H04N5/225H04N5/232
    • H04N5/23212G02B23/18H04N5/225H04N5/2251
    • In an optical viewer instrument with a photographing function, there is provided a telescopic lens system for observing objects, and a digital camera system including a solid-state image sensor and a photographing lens system associated with each other such that an object is formed as a photographed image on the solid-state image sensor through the photographing lens system. A manually-operable focussing mechanism is associated with the telescopic lens system and the photographing lens system such that the object is brought into focus through the telescopic lens system, and such that the object is brought into focus through the photographing lens system. Optical parameters are selected such that predetermined conditions are fulfilled, whereby the focussing of the telescopic lens system and the focusing of the photographing lens system can be suitably and properly performed by the focussing mechanism.
    • 在具有拍摄功能的光学观察仪器中,提供了一种用于观察物体的伸缩透镜系统,以及包括固态图像传感器和相互关联的拍摄镜头系统的数字照相机系统,使得物体形成为 通过拍摄镜头系统在固态图像传感器上拍摄图像。 手动可操作的聚焦机构与伸缩透镜系统和拍摄透镜系统相关联,使得物体通过伸缩透镜系统进行聚焦,并且使得物体通过拍摄镜头系统进行聚焦。 选择光学参数使得满足预定条件,由此可以通过聚焦机构适当地和适当地执行伸缩透镜系统的聚焦和拍摄镜头系统的聚焦。
    • 50. 发明授权
    • Optical viewer instrument with photographing function
    • 具有拍摄功能的光学观察仪器
    • US06914636B2
    • 2005-07-05
    • US10255963
    • 2002-09-27
    • Ken HirunumaAtsumi KanekoShuji YoneyamaMoriyasu KanaiGouji FunatsuMasami Shirai
    • Ken HirunumaAtsumi KanekoShuji YoneyamaMoriyasu KanaiGouji FunatsuMasami Shirai
    • G02B23/18G02B7/06G02B23/00G03B17/02G03B17/18G03B17/48H04N5/225H04N7/18
    • H04N7/183
    • In an optical viewer instrument with a photographing function, a telescopic lens system for observing an object and a digital camera system for photographing the object are housed in a casing. A manually-operable rotary wheel is rotatably provided in the casing such that a portion of the rotary wheel is exposed to the outside from the casing to bring the object into focus through the telescopic lens system. A display panel unit for displaying the object as a motion picture on a display screen thereof is mounted on the casing so as to be movable between a retracted position, where the display screen of the display panel unit is close to a wall surface of the casing, and a display position, where the display screen of the display panel unit is directed to the ocular-lens-system side of the telescopic lens system. The rotary wheel is arranged such that the exposed portion of the manually-operable rotary wheel is hidden behind the display panel unit when being at the retracted position.
    • 在具有拍摄功能的光学观察器具中,用于观察物体的望远镜透镜系统和用于拍摄物体的数字照相机系统被容纳在壳体中。 手动可操作的旋转轮可旋转地设置在壳体中,使得旋转轮的一部分从壳体暴露于外部,以通过伸缩透镜系统使物体聚焦。 用于在其显示屏幕上显示作为运动图像的对象的显示面板单元安装在壳体上,以便在显示面板单元的显示屏幕接近壳体的壁表面的缩回位置之间移动 以及显示面板单元的显示屏幕被引导到可伸缩透镜系统的眼镜系统侧的显示位置。 旋转轮被布置成使得当处于缩回位置时,可手动操作的旋转轮的暴露部分被隐藏在显示面板单元后面。