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101. 发明专利

JP5335373B2 Zoom lens and an imaging apparatus 有权
公开(公告)号：JP5335373B2
公开(公告)日：2013-11-06
申请号：JP2008280989
申请日：2008-10-31
申请人：富士フイルム株式会社
发明人：大雅野田
IPC分类号： G02B15/16 , G02B13/18 , H04N5/225
摘要： PROBLEM TO BE SOLVED: To make a zoom lens adaptable to a high image quality, while maintaining satisfactory optical performance, and low cost and small size. SOLUTION: The zoom lens includes a positive first lens group G1, a negative second lens group G2 that moves and zooms, a positive third lens group G3, and a positive fourth lens group G4 that moves to zoom. The fourth lens group G4 includes, in the order starting from the object side, a positive 41st lens formed from plastic so that at least its first face is aspherical, a positive 42nd lens, a negative 43rd lens and a positive 44th lens. The zoom lens satisfies formulae (1) and (2), that are formula (1): 2.1 COPYRIGHT: (C)2010,JPO&INPIT

102. 发明专利

JP5300506B2 Zoom lens and camera with it 有权
公开(公告)号：JP5300506B2
公开(公告)日：2013-09-25
申请号：JP2009013317
申请日：2009-01-23
申请人：キヤノン株式会社
发明人：健志篠原
IPC分类号： G02B15/16 , G02B13/18
CPC分类号： G02B15/173
摘要： A zoom lens including four lens units having positive, negative, positive, and positive refractive power in order from an object side to an image side thereof, wherein the distance between the adjacent lens units changes when zooming: wherein the third lens unit includes, in order from the object side to the image side, a first lens subunit having negative refractive power and a second lens subunit having positive refractive power. The zoom lens is configured to displace an image formed by the zoom lens in a direction perpendicular to its optical axis by moving the second lens subunit so as to have a component perpendicular to the optical axis, wherein the curvature radius of a surface, closest to the object, of the first lens subunit and the curvature radius of a surface second closest to the object, of the first lens subunit are set at appropriate values.

103. 发明专利

JP5294623B2 Zoom lens and an image pickup apparatus having the same 有权
公开(公告)号：JP5294623B2
公开(公告)日：2013-09-18
申请号：JP2007340138
申请日：2007-12-28
申请人：キヤノン株式会社
发明人：友紀木村
IPC分类号： G02B15/16 , G02B13/18 , G02B15/20 , G03B5/00
CPC分类号： G02B15/173
摘要： A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a rear lens unit including one or more lens units and having an overall positive refractive power. In the zoom lens, the third lens unit includes a first subunit having a positive refractive power and including one lens component having a positive refractive power, an aperture stop, and a second subunit including a negative lens. In the third lens unit of the zoom lens, a focal length of each of the first subunit and the second subunit is appropriately set.

104. 发明专利

JP5275718B2 An imaging optical system and electronic imaging apparatus having the same 有权
公开(公告)号：JP5275718B2
公开(公告)日：2013-08-28
申请号：JP2008201926
申请日：2008-08-05
申请人：オリンパス株式会社
发明人：伸一三原
IPC分类号： G02B15/20 , G02B13/18 , G02B15/16 , H04N5/225
CPC分类号： G02B15/173 , G02B13/18
摘要： To provide an image forming optical system that can achieve good correction of chromatic aberration, which is seriously needed particularly when the zoom ratio is high, while achieving slimness and a high zoom ratio and to provide an electronic image pickup apparatus equipped with such an image forming optical system, an image forming optical system has a lens group A including a lens component made up of a positive lens LA and a negative lens LB cemented together and having a negative refracting power as a whole. The lens group A is arranged between a lens group I closest to the object side and an aperture stop. The distance between the lens group I and the lens group A changes for zooming. The lens component has an aspheric cemented surface, and a certain condition concerning the shape of the aspheric surface is satisfied.

105. 发明专利

JP5265218B2 Zoom lens 有权
公开(公告)号：JP5265218B2
公开(公告)日：2013-08-14
申请号：JP2008044478
申请日：2008-02-26
申请人：株式会社タムロン
发明人：博規田口
IPC分类号： G02B15/16 , G02B13/18
摘要： PROBLEM TO BE SOLVED: To provide a compact and high performance zoom lens having a wide angle and a large diameter to provide a bright image. SOLUTION: The zoom lens 100 is constituted by arranging, in order from an object side, a first lens group G 11 of negative refractive power, and a second lens group G 12 of positive refractive power. In particular, the second lens group G 12 is constituted by arranging, in order from the object side, a first lens L 121 of positive refractive power, a second lens L 122 of positive refractive power, a third lens L 123 of negative refractive power, and a fourth lens L 124 of positive refractive power. Both sides of the first lens L 121 are aspherical. The second lens L 122 and third lens L 123 are cemented. The compact and high performance zoom lens having a wide angle and a large diameter to provide a bright image is obtained by satisfying predetermined conditions. COPYRIGHT: (C)2009,JPO&INPIT

106. 发明专利

JP2013148823A Zoom lens and imaging apparatus having the same 有权
标题翻译：变焦镜头和成像装置
公开(公告)号：JP2013148823A
公开(公告)日：2013-08-01
申请号：JP2012011117
申请日：2012-01-23
申请人： Canon Inc , キヤノン株式会社
发明人： YAMAZAKI SHINJI
IPC分类号： G02B15/16 , G02B13/18
摘要： PROBLEM TO BE SOLVED: To provide a zoom lens in which brightness is obtained at a wide viewing angle, the entire lens system is compact and high optical performance is achieved in the entire zoom range.SOLUTION: A zoom lens has a first lens group of negative refractive power which is disposed closest to an object side and a last lens group of positive refractive power which is disposed closest to an image side, and the first lens group and the last lens group move in different trajectories at the time of zooming, where focal distances fw, ft of the entire system at a wide angle end and a telephoto end, focal lengths f1, fr of the first lens group and the last lens group, a maximum Abbe number ν1n_max of a material of a negative lens included in the first lens group, and a minimum Abbe number ν1p_min of a material of a positive lens included in the first lens group are properly set respectively.
摘要翻译：要解决的问题：为了提供在宽视角获得亮度的变焦透镜，整个透镜系统紧凑，并且在整个变焦范围内实现高的光学性能。解决方案：变焦镜头具有第一透镜组最靠近物体侧设置的负屈光力和最靠近图像侧设置的正折射力的最后透镜组，并且第一透镜组和最后一个透镜组在变焦时以不同的轨迹移动，其中整个系统在广角端和望远端的焦距fw，ft，第一透镜组和最后一个透镜组的焦距f1，fr，包括负透镜的材料的最大阿贝数和ngr1n_max 在第一透镜组中，并且分别适当地设置包括在第一透镜组中的正透镜的材料的最小阿贝数和ngr1p_min。

107. 发明专利

JP5224479B2 Anti-vibration function with variable magnification optical system and equipped with imaging device the variable magnification optical system 有权
公开(公告)号：JP5224479B2
公开(公告)日：2013-07-03
申请号：JP2010282910
申请日：2010-12-20
申请人：富士フイルム株式会社
发明人：哲也小里
IPC分类号： G02B15/16 , G02B13/18 , G03B5/00 , G03B17/17

108. 发明专利

JP2013125074A Zoom lens and image pickup apparatus 审中-公开
标题翻译：变焦镜头和图像拾取器
公开(公告)号：JP2013125074A
公开(公告)日：2013-06-24
申请号：JP2011272382
申请日：2011-12-13
申请人： Sony Corp , ソニー株式会社
发明人： MIYATANI TAKAHIRO , OMICHI HIROYUKI
IPC分类号： G02B15/16 , G02B13/18
CPC分类号： H04N5/23212 , G02B15/14 , G02B15/173 , G02B27/646
摘要： PROBLEM TO BE SOLVED: To provide a zoom lens and an image pickup apparatus by which both of increase in magnification and angle are achieved and besides reduction in diameter is achieved.SOLUTION: A zoom lens includes, from the object side to the image side, a positionally-fixed first lens group having positive refracting power, a second lens group having negative refracting power and movable in an optical axis direction for zooming, a third lens group having positive refracting power, and a fourth lens group movable in the optical axis direction for correction of a focal position by zooming and for focusing. The first lens group consists of three lenses including a negative lens, a positive lens and another positive lens disposed in order from the object side to the image side, satisfying the following conditional expressions (1) and (2): (1) 7.0
摘要翻译：要解决的问题：提供一种可以实现放大倍率和角度增加两者的变焦透镜和图像拾取装置，并且还实现直径的减小。解决方案：变焦透镜包括从物体侧到像侧，具有正折射力的位置固定的第一透镜组，具有负折射率并且可沿光轴方向移动的用于变焦的第二透镜组，具有正折射力的第三透镜组以及可沿光轴方向移动的第四透镜组，用于通过变焦和聚焦来校正焦点位置。第一透镜组由包括负透镜，正透镜和从物侧到像侧依次布置的另一正透镜的三个透镜组成，满足以下条件表达式（1）和（2）：（1） ft / fw <13.0; 和（2）4.2

109. 发明专利

JP5200527B2 Zoom lens and the imaging device 有权
公开(公告)号：JP5200527B2
公开(公告)日：2013-06-05
申请号：JP2007334755
申请日：2007-12-26
申请人：ソニー株式会社
发明人：光博須崎 , 雄介南條 , 信一有田
IPC分类号： G02B15/16 , G02B13/18
CPC分类号： G02B15/173 , G02B27/646

110. 发明专利

JP2013050650A Zoom lens and imaging apparatus 审中-公开
标题翻译：变焦镜头和成像装置
公开(公告)号：JP2013050650A
公开(公告)日：2013-03-14
申请号：JP2011189616
申请日：2011-08-31
申请人： Sony Corp , ソニー株式会社
发明人： KURODA DAISUKE , ISHIDA KENJI
IPC分类号： G02B15/16 , G02B13/18 , G03B5/00
CPC分类号： G02B15/173
摘要： PROBLEM TO BE SOLVED: To realize a zoom lens not only having high image forming performance suitable for a small imaging apparatus but also having a wide angle of view ranging about between 70° and 90° at the wide angle end and a high zoom magnification ranging about between 4 and 6.SOLUTION: A zoom lens includes a first lens group having positive power, a second lens group having negative power, a third lens group having positive power, a fourth lens group having positive power, and a fifth lens group having positive power which are sequentially arranged from the object side. The fifth lens group includes a first lens partial group having negative power and a second lens partial group having positive power sequentially arranged from the object side. The zoom lens satisfies the conditional expression (1), 1.1
摘要翻译：解决的问题：为了实现变焦镜头，不仅具有适合于小型成像装置的高成像性能，而且在广角端处具有约70°至90°的宽视角，并且高变焦倍率约在4和6之间。解决方案：变焦镜头包括具有正功率的第一透镜组，具有负功率的第二透镜组，具有正功率的第三透镜组，具有正功率的第四透镜组，以及具有正的功率的第五透镜组，其从物体侧顺序排列。第五透镜组包括具有负光焦度的第一透镜部分组和从物体侧依次排列的具有正光焦度的第二透镜部分组。变焦透镜满足条件式（1），1.1 <β5<1.56，条件式（2），0.1 <¾F5/Ft¾<4，其中β5表示第五透镜组的横向倍率，F5表示第五透镜组，Ft表示在伸缩端的整个系统的焦距。版权所有（C）2013，JPO＆INPIT

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