JP2001042212A5 - - Google Patents

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Publication number
JP2001042212A5
JP2001042212A5 JP1999217271A JP21727199A JP2001042212A5 JP 2001042212 A5 JP2001042212 A5 JP 2001042212A5 JP 1999217271 A JP1999217271 A JP 1999217271A JP 21727199 A JP21727199 A JP 21727199A JP 2001042212 A5 JP2001042212 A5 JP 2001042212A5
Authority
JP
Japan
Prior art keywords
bonded
elements
refractive index
lens
spherical radius
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1999217271A
Other languages
Japanese (ja)
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JP2001042212A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP11217271A priority Critical patent/JP2001042212A/en
Priority claimed from JP11217271A external-priority patent/JP2001042212A/en
Publication of JP2001042212A publication Critical patent/JP2001042212A/en
Publication of JP2001042212A5 publication Critical patent/JP2001042212A5/ja
Pending legal-status Critical Current

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Description

【特許請求の範囲】
【請求項1】 材質の屈折率が互いに異なる2以上のエレメントを接合している接合レンズにおいて、該接合している2つのエレメントのうち、材質の屈折率の高い方のエレメントの接合面が非球面であり、屈折率の低い方のエレメントの接合面が球面であることを特徴とする接合レンズ。
【請求項2】 材質の屈折率が互いに異なる2以上のエレメントを接合している接合レンズにおいて、該接合している2つのエレメントのうち、材質の屈折率の高い方のエレメントの接合面が非球面であり、屈折率の低い方のエレメントの接合面が平面であることを特徴とする接合レンズ。
【請求項3】 前記接合している2つのエレメントの接合面のうち一方の面の参照球面半径をRN、他方の面の参照球面半径をRPとしたとき
0≦|RN/RP|<1.
満足することを特徴とする請求項1又は2の接合レンズ。
【請求項4】 前記接合している2つのエレメントの接合面は凹面と凸面とを接合したものであり、一方の、エレメントの凹面の参照球面半径をRN、他方のエレメントの凸面の参照球面半径をRPとするとき、
0<|RN/RP|<1.
満足することを特徴とする請求項1の接合レンズ。
【請求項5】 前記接合している2つのエレメントの材質のアッベ数の差をΔνとしたとき、
Δν>10
であることを特徴とする請求項1から4のいずれか1項の接合レンズ。
【請求項6】 前記接合している2つのエレメントのうち、材質の屈折率の高い方のエレメントの屈折率NHが1.6以上であるとき、該エレメントに屈折率がNで
1.6<N<NH
なる条件を満足する非誘電体膜を蒸着してなることを特徴とする請求項1から5のいずれか1項の接合レンズ。
【請求項7】 前記接合している2つのエレメントは正レンズと負レンズであることを特徴とする請求項1から6のいずれか1項の接合レンズ。
【請求項8】 請求項1から7のいずれか1項の接合レンズを有していることを特徴とする光学系。
【請求項9】 請求項8の光学系を有することを特徴とする光学機器。
[Claims]
1. In a bonded lens in which two or more elements having different refractive indexes of materials are bonded to each other, the bonding surface of the element having the higher refractive index of the material is not formed among the two bonded elements. A bonding lens characterized in that the bonding surface of an element having a spherical shape and a lower refractive index is a spherical surface.
2. In a bonding lens in which two or more elements having different refractive indexes of materials are bonded to each other, the bonding surface of the element having the higher refractive index of the material is not formed among the two bonded elements. A bonding lens characterized by having a spherical surface and a flat surface as the bonding surface of the element having the lower refractive index.
3. When the reference spherical radius of one of the joining surfaces of the two elements to be joined is RN and the reference spherical radius of the other surface is RP, 0 ≦ | RN / RP | <1. 0
The bonded lens according to claim 1 or 2, wherein the lens is satisfied.
4. The joint surface of the two elements to be joined is a combination of a concave surface and a convex surface, and the reference spherical radius of the concave surface of one element is RN and the reference spherical radius of the convex surface of the other element. When is RP
0 << RN / RP | <1. 0
The bonded lens according to claim 1, wherein the lens is satisfied.
5. When the difference between the Abbe numbers of the materials of the two bonded elements is Δν,
Δν> 10
The junction lens according to any one of claims 1 to 4, characterized in that.
6. When the refractive index NH of the element having the higher refractive index of the material among the two bonded elements is 1.6 or more, the refractive index of the element is N and 1.6 <. N <NH
The bonded lens according to any one of claims 1 to 5, wherein a non-dielectric film satisfying the above conditions is vapor-deposited.
7. The bonded lens according to claim 1, wherein the two bonded elements are a positive lens and a negative lens.
8. An optical system comprising the junction lens according to any one of claims 1 to 7.
9. An optical device having the optical system of claim 8.

請求項3の発明は請求項1又は2の発明において、前記接合している2つのエレメントの接合面のうち一方の面の参照球面半径をRN、他方の面の参照球面半径をRPとしたとき
0≦|RN/RP|<1.
満足することを特徴としている。
The invention of claim 3 is the invention of claim 1 or 2, when the reference spherical radius of one of the joining surfaces of the two elements to be joined is RN and the reference spherical radius of the other surface is RP. 0 ≦ | RN / RP | <1. 0
It is characterized by satisfying.

請求項4の発明は請求項1の発明において、前記接合している2つのエレメントの接合面は凹面と凸面とを接合したものであり、一方の、エレメントの凹面の参照球面半径をRN、他方のエレメントの凸面の参照球面半径をRPとするとき、
0<|RN/RP|<1.
満足することを特徴としている。
The invention of claim 4 is the invention of claim 1, wherein the joining surface of the two elements to be joined is a combination of a concave surface and a convex surface, and the reference spherical radius of one of the concave surfaces of the element is RN and the other. When the reference spherical radius of the convex surface of the element is RP,
0 << RN / RP | <1. 0
It is characterized by satisfying.

請求項6の発明は請求項1から5のいずれか1項の発明において、前記接合している2つのエレメントのうち、材質の屈折率の高い方のエレメントの屈折率NHが1.6以上であるとき、該エレメントに屈折率がNで
1.6<N<NH
なる条件を満足する非誘電体膜を蒸着してなることを特徴としている。
The invention of claim 6 is the invention of any one of claims 1 to 5, wherein the element having the higher refractive index of the material has a refractive index NH of 1.6 or more among the two bonded elements. At one time, the element has a refractive index of N and 1.6 <N <NH.
It is characterized in that a non-dielectric film satisfying the above conditions is vapor-deposited.

JP11217271A 1999-07-30 1999-07-30 Bonded lens and optical system using the bonded lens Pending JP2001042212A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11217271A JP2001042212A (en) 1999-07-30 1999-07-30 Bonded lens and optical system using the bonded lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11217271A JP2001042212A (en) 1999-07-30 1999-07-30 Bonded lens and optical system using the bonded lens

Publications (2)

Publication Number Publication Date
JP2001042212A JP2001042212A (en) 2001-02-16
JP2001042212A5 true JP2001042212A5 (en) 2006-09-07

Family

ID=16701535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11217271A Pending JP2001042212A (en) 1999-07-30 1999-07-30 Bonded lens and optical system using the bonded lens

Country Status (1)

Country Link
JP (1) JP2001042212A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100529310B1 (en) * 2002-12-10 2005-11-17 삼성전자주식회사 Junction lens device and zooming lens system and camera employing it
KR20040061658A (en) * 2002-12-31 2004-07-07 삼성전자주식회사 Hybrid achromatic optical lens and manufacturing method thereof
JP4819447B2 (en) 2005-09-02 2011-11-24 キヤノン株式会社 Optical system and imaging apparatus having the same
JP2010091881A (en) * 2008-10-09 2010-04-22 Olympus Imaging Corp Imaging optical system and electronic imaging apparatus having the same
JP5208778B2 (en) * 2009-01-14 2013-06-12 オリンパス株式会社 Bonding optical element and manufacturing method thereof
JP5420313B2 (en) * 2009-05-20 2014-02-19 オリンパス株式会社 Optical component having bonded optical element and method for manufacturing the same
JP2011065070A (en) * 2009-09-18 2011-03-31 Olympus Imaging Corp Image forming optical system and electronic imaging apparatus having the same
JP2012103351A (en) * 2010-11-08 2012-05-31 National Institute Of Information & Communication Technology Achromatic lens for laser light imaging
JP7301508B2 (en) 2018-08-08 2023-07-03 キヤノン株式会社 Cemented lens, optical system having the same, optical equipment, and cemented lens manufacturing method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911346A (en) * 1972-06-01 1974-01-31
JPS63155102A (en) * 1986-12-19 1988-06-28 Olympus Optical Co Ltd Aspherical cemented lens and its manufacture

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