公开(公告)号：US20180113293A1

公开(公告)日：2018-04-26

申请号：US15784725

申请日：2017-10-16

Applicant: OLYMPUS CORPORATION

Inventor： Kenichiro ABE ,  Hirokazu KONISHI ,  Masahiro SAKAKURA ,  Takashi KASAHARA ,  Yuso FUJITA

IPC: G02B21/02 ,  G02B9/18

CPC classification number: G02B21/025 ,  G02B9/18 ,  G02B21/02

Abstract: An objective includes a first lens group that has a positive refractive power and a second lens group that has a negative refractive power. The objective includes a first negative lens and satisfies 0.005≤dol/hol≤0.1   (1) 0.005≤hmin/hl≤0.72   (2) 10 mm≤L≤100 mm   (3) 0.1≤L/f≤31   (4) when do1is a thickness of the first negative lens, ho1 is an axial marginal ray height on a lens surface on the object side of the first negative lens, hmin is a minimum value of an axial marginal ray height in the second lens group, hl is a height of an axial marginal ray on a lens surface of the objective that is situated closest to the image side, L is a length of the objective, and f is a focal length of the objective.

公开(公告)号：US20150109681A1

公开(公告)日：2015-04-23

申请号：US14508806

申请日：2014-10-07

Applicant: OLYMPUS CORPORATION

Inventor： Hirokazu KONISHI

IPC: G02B21/33

CPC classification number: G02B21/33 ,  G02B27/0068

Abstract: An immersion microscope objective includes, a first lens group, a second lens group, and a third lens group, wherein the first lens group has a positive refractive power and includes a first cemented lens disposed nearest to the object side in the first lens group, the second lens group includes a second cemented lens, the third lens group includes a lens component that has a positive refractive power and changes a divergent light beam incident from the second lens group to a convergent light beam, two lens components that change the convergent light beam to a divergent light beam, and a lens component that has a positive refractive power and changes the divergent light beam to a parallel light beam and emits the parallel light beam, and the following conditional expressions (1) is satisfied: 60 mm2≦d0×f×NAo≦500 mm2  (1)

Abstract translation: 浸没式显微镜物镜包括第一透镜组，第二透镜组和第三透镜组，其中第一透镜组具有正折光力并且包括最靠近物镜侧设置在第一透镜组中的第一胶合透镜， 第二透镜组包括第二胶合透镜，第三透镜​​组包括具有正折光力并将从第二透镜组入射的发散光束改变为会聚光束的透镜部件，改变会聚光的两个透镜部件 射束到发散光束，以及透镜部件，其具有正折光力并将发散光束改变为平行光束并发射平行光束，并且满足以下条件表达式（1）：60mm2＆nlE; d0 ×f×NAo＆nlE; 500mm2（1）

公开(公告)号：US20180113279A1

公开(公告)日：2018-04-26

申请号：US15782104

申请日：2017-10-12

Applicant: OLYMPUS CORPORATION

Inventor： Hirokazu KONISHI

IPC: G02B9/12 ,  G02B21/02

CPC classification number: G02B9/12 ,  G02B21/02 ,  G02B21/33

Abstract: An immersion objective has a numerical aperture of 1.42 or higher, and includes in order from the object side a positive first lens group, a positive second lens group, and a negative third lens group. The first lens group includes a first cemented lens that includes a plano-convex lens and a first meniscus lens, and a positive lens. The second lens group includes a plurality of cemented lenses. The third lens group includes in order from the object side a second cemented lens that includes a positive lens and a negative lens, a negative lens that has a concave surface facing the object side, and a positive lens. When H is a maximum height of an axial marginal ray, f is a focal length of the objective, and NAob is the numerical aperture, the objective satisfies a conditional expression below 3.5≤(H/f)×NAob≤5.2  (1).

公开(公告)号：US20150168682A1

公开(公告)日：2015-06-18

申请号：US14505246

申请日：2014-10-02

Applicant: OLYMPUS CORPORATION

Inventor： SHINICHI MIHARA ,  Hirokazu KONISHI ,  Toyoharu HANZAWA ,  Masahito WATANABE ,  Atsujiro ISHII ,  Tetsuhide TAKEYAMA ,  Ayami IMAMURA

IPC: G02B13/00 ,  H04N5/225 ,  H04N5/232

CPC classification number: G02B13/0065 ,  G02B13/0045 ,  G02B13/006 ,  G02B13/007 ,  G02B13/0075 ,  G02B13/009 ,  G02B15/14 ,  G02B15/16 ,  H04N5/2253 ,  H04N5/2254 ,  H04N5/23238 ,  H04N5/23296

Abstract: The invention relates to an electronic image pickup system whose depth dimension is extremely reduced, taking advantage of an optical system type that can overcome conditions imposed on the movement of a zooming movable lens group while high specifications and performance are kept. The electronic image pickup system comprises an optical path-bending zoom optical system comprising, in order from its object side, a 1-1st lens group G1-1 comprising a negative lens group and a reflecting optical element P for bending an optical path, a 1-2nd lens group G1-2 comprising one positive lens and a second lens group G2 having positive refracting power. For zooming from the wide-angle end to the telephoto end, the second lens group G2 moves only toward the object side. The electronic image pickup system also comprises an electronic image pickup device I located on the image side of the zoom optical system.

Abstract translation: 本发明涉及一种电子摄像系统，其深度尺寸极大地降低，利用可以克服施加在变焦可移动透镜组的移动的条件的光学系统类型，同时保持高规格和性能。 电子摄像系统包括：光路弯曲变焦光学系统，其从物体侧依次包括第一透镜组G1-1，其包括负透镜组和用于弯曲光路的反射光学元件P， 包括一个正透镜的第1-2透镜组G1-2和具有正折射光焦度的第二透镜组G2。 为了从广角端到望远端的放大，第二透镜组G2仅向物体侧移动。 电子摄像系统还包括位于变焦光学系统的像侧的电子摄像装置I。

公开(公告)号：US20180356622A1

公开(公告)日：2018-12-13

申请号：US16001575

申请日：2018-06-06

Applicant: OLYMPUS CORPORATION

Inventor： Hirokazu KONISHI

IPC: G02B21/02 ,  G02B21/36

CPC classification number: G02B21/025 ,  G02B21/36

Abstract: An observation device 100 includes an objective 2a, camera 3, an observation scope changing device, and a control device. The objective 2a having from 4× to 20× and including a positive lens group forms an image with light from sample S. The lens group includes a single lens L1 having a concave surface on an object side and a variable aperture diaphragm 4. The camera 3 converts the image into an image signal. The observation scope changing device performs electronic scaling on the image signal and performs an observation scope changing process. The control device controls the diaphragm 4 in accordance with the observation scope changing process. The observation device 100 satisfies a conditional expression is satisfied, 3≤|fa/fGS|≤10 where fa is a focal length of single lens L1 and fGS is a focal length of a lens group from an object plane to the diaphragm 4.

公开(公告)号：US20170261727A1

公开(公告)日：2017-09-14

申请号：US15608421

申请日：2017-05-30

Applicant: OLYMPUS CORPORATION

Inventor： Shinichi MIHARA ,  Hirokazu KONISHI ,  Toyoharu HANZAWA ,  Masahito WATANABE ,  Atsujiro ISHII ,  Tetsuhide TAKEYAMA ,  Ayami IMAMURA

IPC: G02B13/00 ,  G02B15/14 ,  G02B15/16 ,  H04N5/225 ,  H04N5/232

CPC classification number: G02B13/0065 ,  G02B13/0045 ,  G02B13/006 ,  G02B13/007 ,  G02B13/0075 ,  G02B13/009 ,  G02B15/14 ,  G02B15/16 ,  H04N5/2253 ,  H04N5/2254 ,  H04N5/23238 ,  H04N5/23296

Abstract: The invention relates to an electronic image pickup system whose depth dimension is extremely reduced, taking advantage of an optical system type that can overcome conditions imposed on the movement of a zooming movable lens group while high specifications and performance are kept. The electronic image pickup system comprises an optical path-bending zoom optical system comprising, in order from its object side, a 1-1st lens group G1-1 comprising a negative lens group and a reflecting optical element P for bending an optical path, a 1-2nd lens group G1-2 comprising one positive lens and a second lens group G2 having positive refracting power. For zooming from the wide-angle end to the telephoto end, the second lens group G2 moves only toward the object side. The electronic image pickup system also comprises an electronic image pickup device I located on the image side of the zoom optical system.

公开(公告)号：US20160139374A1

公开(公告)日：2016-05-19

申请号：US15001791

申请日：2016-01-20

Applicant: OLYMPUS CORPORATION

Inventor： Shinichi MIHARA ,  Hirokazu KONISHI ,  Toyoharu HANZAWA ,  Masahito WATANABE ,  Atsujiro ISHII ,  Tetsuhide TAKEYAMA ,  Ayami IMAMURA

IPC: G02B13/00 ,  H04N5/232 ,  G02B15/16 ,  H04N5/225

CPC classification number: G02B13/0065 ,  G02B13/0045 ,  G02B13/006 ,  G02B13/007 ,  G02B13/0075 ,  G02B13/009 ,  G02B15/14 ,  G02B15/16 ,  H04N5/2253 ,  H04N5/2254 ,  H04N5/23238 ,  H04N5/23296

Abstract: The invention relates to an electronic image pickup system whose depth dimension is extremely reduced, taking advantage of an optical system type that can overcome conditions imposed on the movement of a zooming movable lens group while high specifications and performance are kept. The electronic image pickup system comprises an optical path-banding zoom optical system comprising, in order from its object side, a 1-1st lens group G1-1 comprising a negative lens group and a reflecting optical element P for bending an optical path, a 1-2nd lens group G1-2 comprising one positive lens and a second lens group G2 having positive refracting power. For zooming from the wide-angle end to the telephoto end, the second lens group G2 moves only toward the object side. The electronic image pickup system also comprises an electronic image pickup device I located on the image side of the zoom optical system.

Abstract translation: 本发明涉及一种电子摄像系统，其深度尺寸极大地降低，利用可以克服施加在变焦可移动透镜组的移动的条件的光学系统类型，同时保持高规格和性能。 电子摄像系统包括：光路带式变焦光学系统，其从物体侧依次包括第一透镜组G1-1，其包括负透镜组和用于弯曲光路的反射光学元件P， 包括一个正透镜的第1-2透镜组G1-2和具有正折射光焦度的第二透镜组G2。 为了从广角端到望远端的放大，第二透镜组G2仅向物体侧移动。 电子摄像系统还包括位于变焦光学系统的像侧的电子摄像装置I。