公开(公告)号：US20090279184A1

公开(公告)日：2009-11-12

申请号：US11991905

申请日：2006-09-11

申请人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

发明人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

IPC分类号： G02B15/14 ,  G02B9/10

CPC分类号： G02B15/173 ,  G02B5/04 ,  H04N1/00307 ,  H04N2101/00 ,  H04N2201/0084

摘要： In an image forming optical system having a positive lens group, a negative lens group, and an aperture stop, the negative lens group is disposed at an image side of the of the aperture stop, the negative lens group has a cemented lens which is formed by cementing a plurality of lenses, and in a rectangular coordinate system in which, a horizontal axis is let to be Nd and a vertical axis is let to be νd, when a straight line indicated by Nd=α×νd+β (where, α=−0.017) is set, Nd and νd of at least one lens forming the cemented lens are included in both of areas namely, an area which is determined by a line when a lower limit value is in a range of a following conditional expression (1), and a line when an upper limit value is in a range of the following conditional expression (1), and an area determined by following conditional expressions (2) and (3). 1.45

摘要翻译： 在具有正透镜组，负透镜组和孔径光阑的图像形成光学系统中，负透镜组设置在孔径光阑的像侧，负透镜组具有形成的胶合透镜 通过固定多个透镜，并且在以Nd = alphaxnud +β（其中，α= 1）表示的直线为单位的水平轴为Nd，纵轴为nud的直角坐标系中， -0.017），形成胶合透镜的至少一个透镜的Nd和nud包括在两个区域中，即当下限值在下面的条件表达式（1）的范围内由线确定的区域 ），以及当上限值在以下条件表达式（1）的范围内时的行，以及由以下条件表达式（2）和（3）确定的面积。 1.45 <β1.330这里，Nd表示折射率，nud表示阿贝数。

公开(公告)号：US07848030B2

公开(公告)日：2010-12-07

申请号：US11991904

申请日：2006-09-11

申请人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

发明人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

IPC分类号： G02B15/14 ,  G02B9/04

CPC分类号： G02B15/161 ,  G02B5/005

摘要： In an image forming optical system having a positive lens group, a negative lens group, and an aperture stop, the positive lens group being disposed at an image-plane side of the aperture stop and having a cemented lens, and when a straight line indicated by Nd=α×νd+β (where, α=−0.017) is set, Nd and νd of at least one lens forming the cemented lens are included in both an area which is determined by a line when a lower limit value is in a range of a following conditional expression (1), and a line when an upper limit value is in a range of the following conditional expression (1), and in an area determined by following conditional expressions (2) and (3) 1.45

摘要翻译： 在具有正透镜组，负透镜组和孔径光阑的图像形成光学系统中，正透镜组设置在孔径光阑的像平面侧并且具有胶合透镜，并且当指示直线时 通过Nd =α×＆ngr; d +＆bgr; （其中，α= -0.017），形成胶合透镜的至少一个透镜的Nd和＆ngr; d包括在下限值在以下条件的范围内由线确定的区域 表示（1），以及当上限值在以下条件表达式（1）的范围内的行，并且在由以下条件表达式（2）和（3）确定的区域中：1.45 <＆bgr; <2.15（1 ）1.30

公开(公告)号：US07715108B2

公开(公告)日：2010-05-11

申请号：US11991905

申请日：2006-09-11

申请人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

发明人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

IPC分类号： G02B15/14

CPC分类号： G02B15/173 ,  G02B5/04 ,  H04N1/00307 ,  H04N2101/00 ,  H04N2201/0084

摘要： In an image forming optical system having a positive lens group, a negative lens group, and an aperture stop, the negative lens group is disposed at an image side of the of the aperture stop, the negative lens group has a cemented lens which is formed by cementing a plurality of lenses, and in a rectangular coordinate system in which, a horizontal axis is let to be Nd and a vertical axis is let to be νd, when a straight line indicated by Nd=α×νd+β (where, α=−0.017) is set, Nd and νd of at least one lens forming the cemented lens are included in both of areas namely, an area which is determined by a line when a lower limit value is in a range of a following conditional expression (1), and a line when an upper limit value is in a range of the following conditional expression (1), and an area determined by following conditional expressions (2) and (3). 1.45

摘要翻译： 在具有正透镜组，负透镜组和孔径光阑的图像形成光学系统中，负透镜组设置在孔径光阑的像侧，负透镜组具有形成的胶合透镜 通过固定多个透镜，并且在垂直坐标系中，其中水平轴为Nd，纵轴为n = d，当Nd =α×＆ngr; d + ＆bgr （其中，α= -0.017），形成胶合透镜的至少一个透镜的Nd和＆ngr; d包括在两个区域中，即当下限值在一个范围内时由线确定的区域 （1），以及当上限值在以下条件表达式（1）的范围内时的行，以及由以下条件表达式（2）和（3）确定的面积。 1.45 <＆bgr <<2.15（1）1.30

公开(公告)号：US20110102625A1

公开(公告)日：2011-05-05

申请号：US12974848

申请日：2010-12-21

申请人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

发明人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

IPC分类号： H04N5/228 ,  G02B9/10 ,  G02B15/14

CPC分类号： G02B13/18 ,  G02B15/173 ,  G03B17/17

摘要： An image forming optical system according to the present invention is characterized in that, in an image forming optical system having a positive lens group, a negative lens group, and an aperture stop, the positive lens group is disposed at an object side of the aperture stop, the positive lens group has a cemented lens which is formed by cementing a plurality of lenses, in a rectangular coordinate system in which a horizontal axis is let to be Nd and a vertical axis is let to be νd, when a straight line indicated by Nd=α×νd+β (where, α=−0.017) is set, Nd and νd of at least one lens forming the cemented lens is included in both of areas namely, an area which is determined by a line when a lower limit value is in a range of a following conditional expression (1a), and a line when an upper limit value is in a range of the following conditional expression (1a), and of an area determined by following conditional expressions (2a) and (3a). 1.45

摘要翻译： 根据本发明的图像形成光学系统的特征在于，在具有正透镜组，负透镜组和孔径光阑的图像形成光学系统中，正透镜组设置在孔的物体侧 停止时，正透镜组具有通过固定多个透镜而形成的胶合透镜，在垂直坐标系中，使水平轴为Nd，纵轴为垂直轴为d 线表示为Nd =α×＆ngr; d +＆bgr; （其中，α= -0.017），形成胶合透镜的至少一个透镜的Nd和＆ngr; d包括在两个区域中，即当下限值在一个范围内时由线确定的区域 （1a），以及当上限值在以下条件表达式（1a）的范围内时的行以及由以下条件表达式（2a）和（3a）确定的面积的行。 1.45 <＆bgr <2.15（1a）1.30

公开(公告)号：US20090195888A1

公开(公告)日：2009-08-06

申请号：US11991919

申请日：2006-09-11

申请人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

发明人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

IPC分类号： G02B15/14 ,  G02B9/10 ,  G02B17/08

CPC分类号： G02B13/18 ,  G02B15/173 ,  G03B17/17

摘要： An image forming optical system according to the present invention is characterized in that, in an image forming optical system having a positive lens group, a negative lens group, and an aperture stop, the positive lens group is disposed at an object side of the aperture stop, the positive lens group has a cemented lens which is formed by cementing a plurality of lenses, in a rectangular coordinate system in which a horizontal axis is let to be Nd and a vertical axis is let to be νd, when a straight line indicated by Nd=α×νd+β (where, α=−0.017) is set, Nd and νd of at least one lens forming the cemented lens is included in both of areas namely, an area which is determined by a line when a lower limit value is in a range of a following conditional expression (1a), and a line when an upper limit value is in a range of the following conditional expression (1a), and of an area determined by following conditional expressions (2a) and (3a). 1.45

摘要翻译： 根据本发明的图像形成光学系统的特征在于，在具有正透镜组，负透镜组和孔径光阑的图像形成光学系统中，正透镜组设置在孔的物体侧 停止时，正透镜组具有通过固定多个透镜而形成的胶合透镜，在直线坐标系中，水平轴为Nd，垂直轴为nud，直线指示 通过Nd = alphaxnud +β（其中，α= -0.017），形成胶合透镜的至少一个透镜的Nd和nud包括在两个区域中，即由下限值 在下面的条件表达式（1a）的范围内，并且当上限值在下面的条件表达式（1a）的范围内的行以及由以下条件表达式（2a）和（3a）确定的面积时， 。 <？in-line-formula description =“In-line Formulas”end =“lead”？> 1.45 <？in-line-formula description =“In-line Formulas”end =“lead”？> 1.30 <？in-line-formula description =”In-line Formulas“end =”lead“？> 3 这里，Nd表示折射率，nud表示阿贝数。

公开(公告)号：US07898743B2

公开(公告)日：2011-03-01

申请号：US11991919

申请日：2006-09-11

申请人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

发明人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

IPC分类号： G02B15/14 ,  G02B9/00

CPC分类号： G02B13/18 ,  G02B15/173 ,  G03B17/17

摘要： An image forming optical system according to the present invention is characterized in that, in an image forming optical system having a positive lens group, a negative lens group, and an aperture stop, the positive lens group is disposed at an object side of the aperture stop, the positive lens group has a cemented lens which is formed by cementing a plurality of lenses, in a rectangular coordinate system in which a horizontal axis is let to be Nd and a vertical axis is let to be νd, when a straight line indicated by Nd=α×νd+β (where, α=−0.017) is set, Nd and νd of at least one lens forming the cemented lens is included in both of areas namely, an area which is determined by a line when a lower limit value is in a range of a following conditional expression (1a), and a line when an upper limit value is in a range of the following conditional expression (1a), and of an area determined by following conditional expressions (2a) and (3a). 1.45

摘要翻译： 根据本发明的图像形成光学系统的特征在于，在具有正透镜组，负透镜组和孔径光阑的图像形成光学系统中，正透镜组设置在孔的物体侧 停止时，正透镜组具有通过固定多个透镜而形成的胶合透镜，在垂直坐标系中，使水平轴为Nd，纵轴为垂直轴为d 线表示为Nd =α×＆ngr; d +＆bgr; （其中，α= -0.017），形成胶合透镜的至少一个透镜的Nd和＆ngr; d包括在两个区域中，即当下限值在一个范围内时由线确定的区域 （1a），以及当上限值在以下条件表达式（1a）的范围内时的行以及由以下条件表达式（2a）和（3a）确定的面积的行。 1.45 <＆bgr <2.15（1a）1.30

公开(公告)号：US07800832B2

公开(公告)日：2010-09-21

申请号：US11991920

申请日：2006-09-11

申请人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

发明人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

IPC分类号： G02B15/14

CPC分类号： G02B13/18 ,  G02B15/161 ,  G02B15/20

摘要： An optical system has a positive lens group, a negative lens group, and an aperture stop. The negative lens group is disposed at an object side of the aperture stop and has a cemented lens, and in a rectangular coordinate system in which a horizontal axis is Nd and a vertical axis is νd, when a straight line indicated by Nd=α×νd+β where α=−0.017 is set, Nd and νd of at least one lens forming the cemented lens are included in both an area determined by a line when a lower limit value is in a range of expression (1a) and a line when an upper limit value is in a range of the expression (1a), and an area determined by expressions (2a) and (3a): 1.45

摘要翻译： 光学系统具有正透镜组，负透镜组和孔径光阑。 负透镜组设置在孔径光阑的物体侧并具有胶合透镜，在水平轴为Nd且垂直轴为n的直角坐标系中，当Nd = α×＆ngr; d +＆bgr; 其中设置α= -0.017，形成胶合透镜的至少一个透镜的Nd和＆ngr; d包括在下限值在表达式（1a）的范围内时由线确定的面积和 上限值在表达式（1a）的范围内，并且由式（2a）和（3a）确定的面积：1.45

公开(公告)号：US20090279185A1

公开(公告)日：2009-11-12

申请号：US11991920

申请日：2006-09-11

申请人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

发明人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

IPC分类号： G02B15/14 ,  G02B9/10

CPC分类号： G02B13/18 ,  G02B15/161 ,  G02B15/20

摘要： An image forming optical system according to the present invention is characterized in that, in an image forming optical system having a positive lens group, a negative lens group, and an aperture stop, the negative lens group is disposed at an object side of the aperture stop, the negative lens group has a cemented lens which is formed by cementing a plurality of lenses, and in a rectangular coordinate system in which, a horizontal axis is let to be Nd and a vertical axis is let to be νd, when a straight line indicated by Nd=α×νd+β (where, α=−0.017) is set, Nd and νd of at least one lens forming the cemented lens are included in both of areas namely, an area which is determined by a line when a lower limit value is in a range of a following conditional expression (1a), and a line when an upper limit value is in a range of the following conditional expression (1a), and an area determined by following conditional expressions (2a) and (3a). 1.45

摘要翻译： 根据本发明的图像形成光学系统的特征在于，在具有正透镜组，负透镜组和孔径光阑的图像形成光学系统中，负透镜组设置在孔的物体侧 停止时，负透镜组具有通过胶合多个透镜形成的胶合透镜，并且在垂直坐标系中，其中使水平轴为Nd并且垂直轴为nud， 由Nd = alphaxnud +β（其中，α= -0.017）表示的线被设置，形成胶合透镜的至少一个透镜的Nd和nud包括在两个区域中，即，当较低 限制值在以下条件表达式（1a）的范围内，并且当上限值在以下条件表达式（1a）的范围内时的行，以及由以下条件表达式（2a）和（3a）确定的面积 ）。 1.45 1.30 3这里，Nd表示折射率，nud表示阿贝数。

公开(公告)号：US20090279183A1

公开(公告)日：2009-11-12

申请号：US11991904

申请日：2006-09-11

申请人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Nagata Hideki

发明人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Nagata Hideki

IPC分类号： G02B15/14 ,  G02B9/10

CPC分类号： G02B15/161 ,  G02B5/005

摘要： An image forming optical system according to the present invention is characterized in that, in an image forming optical system having a positive lens group, a negative lens group, and an aperture stop, the positive lens group is disposed at an image-plane side of the aperture stop, the positive lens group has a cemented lens which is formed by cementing a plurality of lenses, in a rectangular coordinate system in which, a horizontal axis is let to be Nd and a vertical axis is let to be νd, when a straight line indicated by Nd=α×νd+β (where, α=−0.017) is set, Nd and νd of at least one lens forming the cemented lens are included in both of areas namely, an area which is determined by a line when a lower limit value is in a range of a following conditional expression (1), and a line when an upper limit value is in a range of the following conditional expression (1), and in an area determined by following conditional expressions (2) and (3) 1.45

摘要翻译： 根据本发明的图像形成光学系统的特征在于，在具有正透镜组，负透镜组和孔径光阑的图像形成光学系统中，正透镜组设置在 孔径光阑，正透镜组具有通过将多个透镜粘合而形成的胶合透镜，在垂直坐标系中，使水平轴为Nd，纵轴为nud， 由Nd = alphaxnud +β（其中，α= -0.017）表示的直线，形成胶合透镜的至少一个透镜的Nd和nud包括在两个区域中，即由 下限值在下面的条件表达式（1）的范围内，并且当上限值在以下条件表达式（1）的范围内时，在由以下条件表达式（2）和 （3）1.45 <β1.330这里，Nd表示 折射率，nud表示阿贝数。

公开(公告)号：US08564888B2

公开(公告)日：2013-10-22

申请号：US13418430

申请日：2012-03-13

申请人： Keigo Matsuo ,  Takayuki Mimura ,  Kanato Adachi ,  Hisashi Goto

发明人： Keigo Matsuo ,  Takayuki Mimura ,  Kanato Adachi ,  Hisashi Goto

IPC分类号： G02B15/14 ,  H04N5/232

CPC分类号： G02B15/177 ,  G02B13/009

摘要： A variable power optical system includes, in order from the object side, a first lens group having negative refractive power, a variable power group having positive refractive power, and a final lens group having positive refractive power. The variable power group is provided with, in order from the object side, a first lens element having positive refractive power, a second lens element, and a third lens element. The second lens element has a convex shape on the object side. The final lens group includes a positive lens. The variable power optical system satisfies the following conditions: 10≦VdLg≦45 −1.0

摘要翻译： 可变功率光学系统从物体侧依次包括具有负折光力的第一透镜组，具有正折光力的可变光焦度组和具有正屈光力的最终透镜组。 可变功率组从物体侧依次设置具有正折光力的第一透镜元件，第二透镜元件和第三透镜元件。 第二透镜元件在物体侧具有凸形状。 最终的镜头组包括正镜片。 可变功率光学系统满足以下条件：10 @ VdLg @ 45 -1.0 <（R2a-R2b）/（R2a + R2b）<1.0其中VdLg是最终透镜组的正透镜的阿贝数相对于 d线，R2a是第二透镜元件的物体侧表面的曲率半径，R2b是第三透镜元件的像侧表面的曲率半径。