[go: up one dir, main page]

JPH11271587A5 - - Google Patents

Info

Publication number
JPH11271587A5
JPH11271587A5 JP1998074157A JP7415798A JPH11271587A5 JP H11271587 A5 JPH11271587 A5 JP H11271587A5 JP 1998074157 A JP1998074157 A JP 1998074157A JP 7415798 A JP7415798 A JP 7415798A JP H11271587 A5 JPH11271587 A5 JP H11271587A5
Authority
JP
Japan
Prior art keywords
eccentric
lens
movable
holding member
barrel according
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.)
Abandoned
Application number
JP1998074157A
Other languages
Japanese (ja)
Other versions
JPH11271587A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP7415798A priority Critical patent/JPH11271587A/en
Priority claimed from JP7415798A external-priority patent/JPH11271587A/en
Publication of JPH11271587A publication Critical patent/JPH11271587A/en
Publication of JPH11271587A5 publication Critical patent/JPH11271587A5/ja
Abandoned legal-status Critical Current

Links

Description

具体的には、上記第１および第２調節手段をそれぞれ、可動レンズ保持部材に嵌合する外径部とこの外径部に対して偏芯して基準鏡筒部材に嵌合する偏芯部とを有する第１および第２偏芯部材とした上で、可動レンズ保持部材に、第１偏芯部材の外径部が上記所定方向に直交する方向に移動可能に嵌合する長嵌合部および第２偏芯部材の外径部が径嵌合する径嵌合部を形成し、基準鏡筒部材に、第１偏芯部材の偏芯部が径嵌合する径嵌合部、第２偏芯部材の偏芯部が上記所定方向に移動可能に嵌合する第１長嵌合部および第２偏芯部材の外径部が上記所定方向に直交する方向に移動可能に嵌合する第２長嵌合部を形成している。


 Specifically, the first and second adjustment means are first and second eccentric members, respectively, having an outer diameter portion that fits into the movable lens holding member and an eccentric portion that is eccentric relative to this outer diameter portion and fits into the reference lens -barrel member, and the movable lens holding member is formed with a long fitting portion into which the outer diameter portion of the first eccentric member fits so as to be movably in a direction perpendicular to the predetermined direction, and a diameter fitting portion into which the outer diameter portion of the second eccentric member fits so as to be diametrically fitted, and the reference lens-barrel member is formed with a diameter fitting portion into which the eccentric portion of the first eccentric member fits so as to be movably in the predetermined direction, a first long fitting portion into which the eccentric portion of the second eccentric member fits so as to be movably in the predetermined direction, and a second long fitting portion into which the outer diameter portion of the second eccentric member fits so as to be movably in a direction perpendicular to the predetermined direction.

Claims (10)

基準鏡筒部材に対し、鏡筒光軸に直交する面内にて位置調節可能な可動レンズ保持部材を有するレンズ鏡筒において、
前記可動レンズ保持部材を前記直交面内のうち所定方向にのみ位置調節する第１調節手段と、
前記可動レンズ保持部材を前記直交面内のうち前記所定方向に略直交する方向にのみ位置調節する第２調節手段とを有することを特徴とするレンズ鏡筒。 A lens barrel having a movable lens holding member whose position can be adjusted relative to a reference barrel member in a plane perpendicular to the barrel optical axis,
a first adjusting means for adjusting the position of the movable lens holding member only in a predetermined direction within the orthogonal plane;
and second adjusting means for adjusting the position of the movable lens holding member only in a direction substantially perpendicular to the predetermined direction within the perpendicular plane. 前記第１および第２調節手段がそれぞれ、前記可動レンズ保持部材に嵌合する外径部とこの外径部に対して偏芯して前記基準鏡筒部材に嵌合する偏芯部とを有する第１および第２偏芯部材であることを特徴とする請求項１に記載のレンズ鏡筒。 2. The lens barrel according to claim 1, wherein the first and second adjustment means are first and second eccentric members, respectively, having an outer diameter portion that fits into the movable lens holding member and an eccentric portion that is eccentric relative to the outer diameter portion and fits into the reference barrel member. 前記第１および第２偏芯部材が、前記所定方向に延びる同一直線上に配置されていることを特徴とする請求項２に記載のレンズ鏡筒。3. The lens barrel according to claim 2, wherein the first and second eccentric members are arranged on the same straight line extending in the predetermined direction. 前記可動レンズ保持部材は、前記第１偏芯部材の外径部が前記所定方向に直交する方向に移動可能に嵌合する長嵌合部および前記第２偏芯部材の外径部が径嵌合する径嵌合部を有し、
前記基準鏡筒部材は、前記第１偏芯部材の偏芯部が径嵌合する径嵌合部、前記第２偏芯部材の偏芯部が前記所定方向に移動可能に嵌合する第１長嵌合部および前記第２偏芯部材の外径部が前記所定方向に直交する方向に移動可能に嵌合する第２長嵌合部を有することを特徴とする請求項２又は３に記載のレンズ鏡筒。 the movable lens holding member has a long fitting portion into which an outer diameter portion of the first eccentric member is fitted so as to be movable in a direction perpendicular to the predetermined direction, and a radial fitting portion into which an outer diameter portion of the second eccentric member is fitted,
4. The lens barrel according to claim 2, wherein the reference barrel member has a diameter fitting portion into which the eccentric portion of the first eccentric member is fitted diameterly, a first long fitting portion into which the eccentric portion of the second eccentric member is fitted so as to be movable in the predetermined direction, and a second long fitting portion into which the outer diameter portion of the second eccentric member is fitted so as to be movable in a direction perpendicular to the predetermined direction. 前記可動レンズ保持部材を前記各嵌合部と前記各偏芯部材とを片寄せ圧接させる方向に付勢する付勢手段を有することを特徴とする請求項４に記載のレンズ鏡筒。5. The lens barrel according to claim 4, further comprising biasing means for biasing the movable lens holding member in a direction that biases the fitting portions and the eccentric members toward one side. 前記付勢手段が、前記可動レンズ保持部材に一体成形されていることを特徴とする請求項５に記載のレンズ鏡筒。6. The lens barrel according to claim 5, wherein the biasing means is integrally formed with the movable lens holding member. 前記可動レンズ保持部材に保持されたレンズが、アフォーカルレンズであることを特徴とする請求項１から６のいずれかに記載のレンズ鏡筒。7. The lens barrel according to claim 1, wherein the lens held by the movable lens holding member is an afocal lens. 前記可動レンズ保持部材に保持されたレンズが、フォーカスレンズであることを特徴とする請求項１から６のいずれかに記載のレンズ鏡筒。7. The lens barrel according to claim 1, wherein the lens held by the movable lens holding member is a focus lens. 前記基準鏡筒部材および前記可動レンズ保持部材がそれぞれ、同一レンズ群を構成するレンズを保持していることを特徴とする請求項１から６のいずれかに記載のレンズ鏡筒。7. The lens barrel according to claim 1, wherein the reference lens barrel member and the movable lens holding member each hold lenses that constitute the same lens group. 請求項１から９のいずれかに記載のレンズ鏡筒を備えたことを特徴とする光学機器。An optical device comprising the lens barrel according to any one of claims 1 to 9.
JP7415798A 1998-03-23 1998-03-23 Lens barrel and optical equipment having the same Abandoned JPH11271587A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7415798A JPH11271587A (en) 1998-03-23 1998-03-23 Lens barrel and optical equipment having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7415798A JPH11271587A (en) 1998-03-23 1998-03-23 Lens barrel and optical equipment having the same

Publications (2)

Publication Number Publication Date
JPH11271587A JPH11271587A (en) 1999-10-08
JPH11271587A5 true JPH11271587A5 (en) 2005-08-11

Family

ID=13539051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7415798A Abandoned JPH11271587A (en) 1998-03-23 1998-03-23 Lens barrel and optical equipment having the same

Country Status (1)

Country Link
JP (1) JPH11271587A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002341220A (en) 2001-05-14 2002-11-27 Olympus Optical Co Ltd Optical instrument
JP4873134B2 (en) * 2006-03-30 2012-02-08 コニカミノルタオプト株式会社 Lens barrel and imaging device
JP2012058631A (en) 2010-09-13 2012-03-22 Ricoh Co Ltd Lens barrel
JP5776179B2 (en) * 2010-12-20 2015-09-09 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． Alignment mechanism, lens barrel and optical equipment
JP5845465B2 (en) 2011-08-25 2016-01-20 パナソニックＩｐマネジメント株式会社 Lens barrel

Similar Documents

Publication Publication Date Title
JP2001324663A5 (en)
EP1174748A3 (en) Optical lens unit having a mechanism for adjusting the focal point of the optical lens
JPS6432529U (en)
JP2005173413A5 (en)
JPH01176809U (en)
US7356251B2 (en) Assembly-stage focus adjustment mechanism of a zoom lens
JPH11271587A5 (en)
JP4905151B2 (en) Optical axis adjustment device
US6574056B2 (en) Eye cup moving mechanism of optical device
US6567221B2 (en) High zoom ratio lens device having focus and zoom cams
JP2001066487A5 (en)
EP1519232A3 (en) Optical device and exposure device equipped with said optical device
JPS6032655Y2 (en) Lens feeding device
JP6133838B2 (en) Lens barrel, optical equipment and electronic equipment
US6163418A (en) Adjustment structure for fast locating zoom lens
JPS5932972Y2 (en) Camera interchangeable lens distance adjustment device
JP3248540B2 (en) Lens barrel
CN217506238U (en) Objective lens barrel convenient to install fast
JP2007003581A (en) Lens barrel
JPH037919A (en) Back focus adjusting device for vari-focal lens system
JPS59101204U (en) Condensing lens adjustment device for laser application equipment
JP2001083392A5 (en)
JPH0392615U (en)
JPS5837044Y2 (en) lens barrel
JP2002062466A (en) Focusing mechanism