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    • 31. 发明授权
    • Standard zoom lens system
    • 标准变焦镜头系统
    • US07609456B2
    • 2009-10-27
    • US11957718
    • 2007-12-17
    • Masakazu Saori
    • Masakazu Saori
    • G02B15/14
    • G02B15/173
    • A standard zoom lens system including a positive first lens group, a negative second lens group, a positive third lens group and a positive fourth lens group. Upon zooming from the short focal length extremity to the long focal length extremity, the positive first lens group, the positive third lens group and the positive fourth lens group move toward the object, and the negative second lens group moves toward the image and thereafter moves toward the object. The positive first lens group includes a negative lens element and a positive lens element. The standard zoom lens system satisfies the following conditions: 7.5
    • 一种标准变焦透镜系统,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。 当从短焦距末端变焦到长焦距末端时,正的第一透镜组,正的第三透镜组和正的第四透镜组向着物体移动,负的第二透镜组向图像移动,然后移动 朝向对象。 正的第一透镜组包括负透镜元件和正透镜元件。 标准变焦镜头系统满足以下条件:7.5f1 / | f2 | 3.0f1 / f3其中f1表示正的第一透镜组的焦距; f2表示负第二透镜组的焦距; f3表示正第三透镜组的焦距。
    • 32. 发明授权
    • Wide-angle zoom lens system
    • 广角变焦镜头系统
    • US07508594B2
    • 2009-03-24
    • US11427046
    • 2006-06-28
    • Masakazu Saori
    • Masakazu Saori
    • G02B15/14
    • G02B15/177
    • A wide-angle zoom lens system includes a negative first lens group, a positive second lens group, a negative third lens group and a positive fourth lens group, in this order from the object. Upon zooming from the short focal length extremity to the long focal length extremity, a distance between the negative first lens group and the positive second lens group decreases, a distance between the positive second lens group and the negative third lens group increases, and a distance between the negative third lens group and the positive fourth lens group decreases. The wide-angle zoom lens system satisfies the following conditions: 1.6
    • 广角变焦透镜系统按照该物体的顺序包括负第一透镜组,正第二透镜组,负第三透镜组和正第四透镜组。 在从短焦距端子变焦到长焦距端点时,负第一透镜组与正第二透镜组之间的距离减小,正第二透镜组与负第三透镜组之间的距离增加, 在负第三透镜组和正第四透镜组之间减小。 广角变焦镜头系统满足以下条件:<?in-line-formula description =“In-line formula”end =“lead”?> 1.6
    • 33. 发明授权
    • Wide-angle lens system
    • 广角镜头系统
    • US07411746B2
    • 2008-08-12
    • US11677713
    • 2007-02-22
    • Koji KatoMasakazu Saori
    • Koji KatoMasakazu Saori
    • G02B15/14
    • G02B15/177G02B9/04G02B13/06
    • A wide-angle lens system includes a negative front lens group and a positive rear lens group, in this order from the object.The negative front lens group includes a negative first sub-lens group and a positive second sub-lens group, in this order from the object.The positive rear lens group includes cemented lens elements having a positive lens element, a negative lens element and a positive lens element.The wide-angle lens system satisfies the following conditions: −0.8
    • 广角镜头系统从该物体起依次包括负前透镜组和正后透镜组。 负的前透镜组包括负的第一子透镜组和正的第二子透镜组,从该物体开始。 正后透镜组包括具有正透镜元件,负透镜元件和正透镜元件的胶合透镜元件。 广角镜头系统满足以下条件:<?in-line-formula description =“In-line formula”end =“lead”?> -0.8 <?in-line-formula description =“In-line Formulas”end =“lead”?> 0.7 其中fla表示负第一子透镜组的焦距; flb表示正的第二子透镜组的焦距; f表示整个广角镜头系统的焦距; fR表示正后透镜组的焦距。
    • 34. 发明授权
    • Telescopic zoom lens system
    • 伸缩变焦镜头系统
    • US07289274B1
    • 2007-10-30
    • US11672224
    • 2007-02-07
    • Masakazu Saori
    • Masakazu Saori
    • G02B15/14
    • G02B15/173
    • A telescopic zoom lens system includes first through fourth lens groups, wherein upon zooming from the short to long focal length extremities, the first and fourth lens groups remain stationary, the second lens group moves toward the image side, and the third lens group moves toward the image side and thereafter moves toward the object side. The first lens group includes positive first and second sub-lens groups, the second sub-lens group being a focusing lens group and including a negative meniscus lens element having a convex surface on the object side and a positive lens element having a convex surface on the object side. The following condition (1) is satisfied: 2.7
    • 伸缩变焦透镜系统包括第一至第四透镜组,其中当从短焦距到长焦距四肢变焦时,第一透镜组和第四透镜组保持静止,第二透镜组朝向像侧移动,并且第三透镜组朝向 图像侧然后向物体侧移动。 第一透镜组包括正的第一和第二子透镜组,第二子透镜组是聚焦透镜组,并且包括在物体侧具有凸面的负弯月形透镜元件和具有凸面的正透镜元件 物体侧。 满足以下条件(1):<?in-line-formula description =“In-line Formulas”end =“lead”?> 2.7 其中flR和ft表示第二子透镜组和整个变焦透镜系统在长焦点处的焦距 长度极限。
    • 35. 发明授权
    • Wide-angle zoom lens system
    • 广角变焦镜头系统
    • US07230772B2
    • 2007-06-12
    • US11427075
    • 2006-06-28
    • Masakazu Saori
    • Masakazu Saori
    • G02B15/14
    • G02B15/177
    • A wide-angle zoom lens system includes a negative first lens group, a positive second lens group, a negative third lens group and a positive fourth lens group, in this order from the object. Upon zooming from the short focal length extremity to the long focal length extremity, a distance between the negative first lens group and the positive second lens group decreases, a distance between the positive second lens group and the negative third lens group increases, and a distance between the negative third lens group and the positive fourth lens group decreases. The wide-angle zoom lens system satisfies the following conditions: 1.1
    • 广角变焦透镜系统按照该物体的顺序包括负第一透镜组,正第二透镜组,负第三透镜组和正第四透镜组。 在从短焦距端子变焦到长焦距端点时,负第一透镜组与正第二透镜组之间的距离减小,正第二透镜组与负第三透镜组之间的距离增加, 在负第三透镜组和正第四透镜组之间减小。 广角变焦透镜系统满足以下条件:<?in-line-formula description =“In-line formula”end =“lead”?> 1.1 <| f1 | / fw <2.0(f1 <0)(1 )<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> 2.0 <?in-line-formula description =“In-line Formulas”end =“lead”?> 2.5
    • 37. 发明申请
    • Zoom lens system
    • 变焦镜头系统
    • US20060139768A1
    • 2006-06-29
    • US11315492
    • 2005-12-23
    • Masakazu Saori
    • Masakazu Saori
    • G02B15/14
    • G02B15/161G02B15/177
    • A zoom lens system includes a negative first lens group, a variable diaphragm, a positive second lens group, in this order from the object. Zooming is performed by moving the negative first lens group and the positive second lens group. The negative first lens group is constituted by at least two negative lens elements and at least two positive lens elements. The zoom lens system satisfies the following conditions: 1.5
    • 变焦透镜系统从该物体起依次包括负第一透镜组,可变光阑,正第二透镜组。 通过移动负第一透镜组和正第二透镜组来执行变焦。 负第一透镜组由至少两个负透镜元件和至少两个正透镜元件构成。 变焦镜头系统满足以下条件:<?in-line-formula description =“In-line formula”end =“lead”?> 1.5 <| f1 / fw | <1.8(1)<? 描述=“内联公式”end =“tail”?> <?in-line-formula description =“In-line formula”end =“lead”?> 1.0 <| F2 /(FWxFT) 1 / 2 <1.3(2)<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“ 引线“→> 1.0 <| f2 / f1 | <1.2(3)<?in-line-formula description =”In-line Formulas“end =”tail“?>其中f1表示负第一透镜组的焦距 ; f2表示正第二透镜组的焦距; fw表示整个变焦镜头系统在短焦距端的焦距; 而ft表示整个变焦透镜系统在长焦距端的焦距。
    • 38. 发明授权
    • Zoom lens system
    • 变焦镜头系统
    • US07019912B2
    • 2006-03-28
    • US10929366
    • 2004-08-31
    • Masakazu Saori
    • Masakazu Saori
    • G02B15/14
    • G02B13/004G02B13/009G02B15/177
    • A zoom lens system includes a negative first lens group, a positive second lens group, and a positive third lens group. Upon zooming from the short focal length extremity to the long focal length extremity, a distance between the negative first lens group and the positive second lens group decreases, and a distance between the positive second lens group and the positive third lens group increases. When zooming is being performed, the negative first lens group remains stationary, and the positive second lens group and the positive third lens group are moveable along the optical axis of the zoom lens system; and the zoom lens system satisfies the following conditions: 1.5
    • 变焦透镜系统包括负第一透镜组,正第二透镜组和正第三透镜组。 当从短焦距端子变焦到长焦距端极时,负第一透镜组和正第二透镜组之间的距离减小,并且正第二透镜组和正第三透镜组之间的距离增加。 当正在执行变焦时,负的第一透镜组保持静止,并且正的第二透镜组和正的第三透镜组可沿着变焦透镜系统的光轴移动; 并且变焦透镜系统满足以下条件:<?in-line-formula description =“In-line Formulas”end =“lead”?> 1.5 <2.5(1)<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead” α> 0.8 <1.3(2)<?在线公式描述=“在线公式”结束 =“尾”→其中f 2 2表示正第二透镜组的焦距; f 3 3表示正第三透镜组的焦距; fw表示整个变焦镜头系统在短焦距端的焦距; 而ft表示整个变焦透镜系统在长焦距端的焦距。