JP2005321437A5 - - Google Patents

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Publication number
JP2005321437A5
JP2005321437A5 JP2004137202A JP2004137202A JP2005321437A5 JP 2005321437 A5 JP2005321437 A5 JP 2005321437A5 JP 2004137202 A JP2004137202 A JP 2004137202A JP 2004137202 A JP2004137202 A JP 2004137202A JP 2005321437 A5 JP2005321437 A5 JP 2005321437A5
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JP
Japan
Prior art keywords
image
reflecting surface
optical system
optical
optical element
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Pending
Application number
JP2004137202A
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Japanese (ja)
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JP2005321437A (en
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Publication date
Application filed filed Critical
Priority to JP2004137202A priority Critical patent/JP2005321437A/en
Priority claimed from JP2004137202A external-priority patent/JP2005321437A/en
Priority to US11/119,264 priority patent/US7114818B2/en
Publication of JP2005321437A publication Critical patent/JP2005321437A/en
Publication of JP2005321437A5 publication Critical patent/JP2005321437A5/ja
Pending legal-status Critical Current

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Claims (5)

絞りと、該絞りより物体側に配置され光軸から傾いた少なくとも１面の物体側反射面と、該絞りより像側に配置され光軸から傾いた少なくとも１面の像側反射面を少なくとも有し、中間像を形成しない光学系において、
物体中心から絞り中心を通り像中心に至る光線を軸上主光線とし、光学系内の全ての光軸から傾いた反射面について、各々の反射面への入射側軸上主光線と反射側軸上主光線とによって規定される平面を各々の反射面の基準面としたとき、
少なくとも１面の前記物体側反射面の基準面と、少なくとも１面の前記像側反射面の基準面とが任意の角度で交差し、
少なくとも１面の前記物体側反射面と、少なくとも１面の前記像側反射面とが回転非対称な非球面形状を有することを特徴とする光学系。 There is at least an aperture, at least one object-side reflecting surface disposed on the object side from the aperture and inclined from the optical axis, and at least one image-side reflecting surface disposed on the image side from the aperture and inclined from the optical axis. In an optical system that does not form an intermediate image,
Rays from the center of the object through the center of the aperture to the center of the image are axial principal rays, and for the reflective surfaces tilted from all the optical axes in the optical system, the incident side axial principal rays and the reflective side axes for each reflective surface When the plane defined by the upper principal ray is the reference surface of each reflecting surface,
At least one reference surface of the object side reflection surface and at least one reference surface of the image side reflection surface intersect at an arbitrary angle,
An optical system, wherein at least one object-side reflecting surface and at least one image-side reflecting surface have a rotationally asymmetric aspherical shape. 前記絞りより前記物体側に配置された第１の光学素子と、
前記絞りより前記像側に配置された第２の光学素子を有し、
前記第１の光学素子は、少なくとも１面の前記物体側反射面と少なくとも２面の屈折面を有し、
前記第２の光学素子は、少なくとも１面の前記像側反射面と少なくとも２面の屈折面を有し、
前記屈折面が回転非対称な非球面形状を有することを特徴とする請求項１記載の光学系。 A first optical element disposed on the object side from the diaphragm;
A second optical element disposed on the image side of the stop;
The first optical element has at least one object-side reflecting surface and at least two refractive surfaces.
The second optical element has at least one image-side reflecting surface and at least two refractive surfaces.
The optical system according to claim 1, wherein the refractive surface has a rotationally asymmetric aspherical shape. 前記第１の光学素子はプリズムであって、前記絞り側から順に、１つ目の前記屈折面、１つ目の前記物体側反射面を有し、
前記第２の光学素子はプリズムであって、前記絞り側から順に、１つ目の前記屈折面、１つ目の前記像側反射面を有し、
各々の基準面が任意の角度で交差する反射面が、１つ目の前記物体側反射面と１つ目の前記像側反射面であることを特徴とする請求項２記載の光学系。 The first optical element is a prism, and has, in order from the diaphragm side, the first refracting surface and the first object-side reflecting surface;
The second optical element is a prism, and has, in order from the diaphragm side, the first refracting surface and the first image-side reflecting surface,
The optical system according to claim 2, wherein each of the reference surfaces intersecting at an arbitrary angle is the first object-side reflection surface and the first image-side reflection surface. 請求項１から３の何れか１項記載の光学系と、その像側に配置された撮像素子とを備えていることを特徴とする電子機器。 An electronic apparatus comprising: the optical system according to claim 1; and an image pickup element disposed on an image side thereof. 請求項１から３の何れか１項記載の光学系と、その像側に配置された画像表示素子とを備えていることを特徴とする電子機器。 An electronic apparatus comprising: the optical system according to any one of claims 1 to 3; and an image display element disposed on an image side thereof.
JP2004137202A 2004-05-06 2004-05-06 Optical system and electronic equipment using it Pending JP2005321437A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004137202A JP2005321437A (en) 2004-05-06 2004-05-06 Optical system and electronic equipment using it
US11/119,264 US7114818B2 (en) 2004-05-06 2005-05-02 Optical system, and electronic equipment that incorporates the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004137202A JP2005321437A (en) 2004-05-06 2004-05-06 Optical system and electronic equipment using it

Publications (2)

Publication Number Publication Date
JP2005321437A JP2005321437A (en) 2005-11-17
JP2005321437A5 true JP2005321437A5 (en) 2007-06-14

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Family Applications (1)

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JP2004137202A Pending JP2005321437A (en) 2004-05-06 2004-05-06 Optical system and electronic equipment using it

Country Status (1)

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JP (1) JP2005321437A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116363315B (en) * 2023-04-04 2023-11-21 中国农业大学 Reconstruction method and device of plant three-dimensional structure, electronic equipment and storage medium

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000019404A (en) * 1998-07-01 2000-01-21 Olympus Optical Co Ltd Image-formation optical system
JP4225606B2 (en) * 1998-07-06 2009-02-18 オリンパス株式会社 Imaging optics
JP2000047110A (en) * 1998-07-24 2000-02-18 Olympus Optical Co Ltd Image forming optical system
JP2001091834A (en) * 1999-09-17 2001-04-06 Olympus Optical Co Ltd Eccentric optical system
JP2002116404A (en) * 2000-10-05 2002-04-19 Olympus Optical Co Ltd Image display device equipped with three dimensional eccentric optical path
JP4943580B2 (en) * 2000-12-25 2012-05-30 オリンパス株式会社 Imaging optics

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