JP2008197617A5 - - Google Patents

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Publication number
JP2008197617A5
JP2008197617A5 JP2007227606A JP2007227606A JP2008197617A5 JP 2008197617 A5 JP2008197617 A5 JP 2008197617A5 JP 2007227606 A JP2007227606 A JP 2007227606A JP 2007227606 A JP2007227606 A JP 2007227606A JP 2008197617 A5 JP2008197617 A5 JP 2008197617A5
Authority
JP
Japan
Prior art keywords
lens group
holding member
lens barrel
optical axis
lens
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.)
Granted
Application number
JP2007227606A
Other languages
Japanese (ja)
Other versions
JP2008197617A (en
JP4991455B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2007227606A priority Critical patent/JP4991455B2/en
Priority claimed from JP2007227606A external-priority patent/JP4991455B2/en
Priority to US11/972,341 priority patent/US7675696B2/en
Priority to CN200810003490A priority patent/CN100595615C/en
Publication of JP2008197617A publication Critical patent/JP2008197617A/en
Publication of JP2008197617A5 publication Critical patent/JP2008197617A5/ja
Application granted granted Critical
Publication of JP4991455B2 publication Critical patent/JP4991455B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (7)

手動で光軸方向に移動する第一のレンズ群と、電動で光軸方向に移動する第二のレンズ群と、前記第一のレンズ群を保持する第一の保持部材と、前記第二のレンズ群を保持する第二の保持部材と、前記第二の保持部材を光軸方向に移動させる駆動部材と、前記駆動部材の駆動力を前記第二の保持部材に伝達すると共に、前記駆動部材の駆動力により光軸方向に移動する伝達部材と、を備え、前記第二のレンズ群の移動範囲内に前記第一のレンズ群が移動できるレンズ鏡筒であって、
前記伝達部材と前記第二の保持部材を光軸方向に相対的に付勢するための付勢部材を備えており、
前記第二の保持部材が前記第一の保持部材と干渉した場合、前記付勢部材が変位することを特徴とするレンズ鏡筒。
A first lens group that moves manually in the optical axis direction, a second lens group that moves electrically in the optical axis direction, a first holding member that holds the first lens group, and the second lens group A second holding member that holds the lens group; a driving member that moves the second holding member in the optical axis direction; and a driving force of the driving member is transmitted to the second holding member, and the driving member A transmission member that moves in the direction of the optical axis by the driving force , and a lens barrel that allows the first lens group to move within a moving range of the second lens group,
A biasing member for biasing the transmission member and the second holding member relatively in the optical axis direction;
The lens barrel, wherein the biasing member is displaced when the second holding member interferes with the first holding member.
前記第一のレンズ群は、ズームレンズ群であり、前記第二のレンズ群は、フォーカスレンズ群である請求項1に記載のレンズ鏡筒。   The lens barrel according to claim 1, wherein the first lens group is a zoom lens group, and the second lens group is a focus lens group. 前記第二のレンズ群及び前記保持部材の重量をA、前記付勢部材の最小変位の際の付勢力をBとするとき、
A<B
の関係を満たす請求項1又は2に記載のレンズ鏡筒。
When the weight of the second lens group and the holding member is A, and the biasing force at the time of the minimum displacement of the biasing member is B,
A <B
The lens barrel according to claim 1 or 2, satisfying the relationship:
前記付勢部材の最大変位の際の付勢力をB′、前記駆動部材の最小の発生力をCとしたとき、
B′<C
の関係を満たす請求項1乃至3の何れか一項に記載のレンズ鏡筒。
When the urging force at the maximum displacement of the urging member is B ′ and the minimum generated force of the driving member is C,
B '<C
The lens barrel according to claim 1, wherein the lens barrel satisfies the relationship:
前記第一のレンズ群の移動範囲と前記第二のレンズ群の移動範囲との重複範囲をD、前記付勢部材の最大変位の際の前記伝達部材と前記保持部材との光軸方向の距離をEとしたとき、
D<E
の関係を満たす請求項1乃至4の何れか一項に記載のレンズ鏡筒。
The overlapping range of the moving range of the first lens group and the moving range of the second lens group is D, and the distance in the optical axis direction between the transmission member and the holding member when the urging member is maximum displaced Is E,
D <E
The lens barrel according to claim 1, wherein the lens barrel satisfies the relationship:
前記伝達部材と前記保持部材は相対的に回転が阻止される係合構造を取る請求項1乃至5の何れか一項に記載のレンズ鏡筒。   The lens barrel according to claim 1, wherein the transmission member and the holding member have an engagement structure in which rotation is relatively prevented. 請求項1乃至6の何れか一項に記載のレンズ鏡筒を備えた撮影装置。   An imaging apparatus comprising the lens barrel according to any one of claims 1 to 6.
JP2007227606A 2007-01-18 2007-09-03 Lens barrel and photographing apparatus using the same Active JP4991455B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2007227606A JP4991455B2 (en) 2007-01-18 2007-09-03 Lens barrel and photographing apparatus using the same
US11/972,341 US7675696B2 (en) 2007-01-18 2008-01-10 Lens barrel and imaging apparatus including the same
CN200810003490A CN100595615C (en) 2007-01-18 2008-01-17 Lens barrel and imaging apparatus including the same

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007009158 2007-01-18
JP2007009158 2007-01-18
JP2007227606A JP4991455B2 (en) 2007-01-18 2007-09-03 Lens barrel and photographing apparatus using the same

Publications (3)

Publication Number Publication Date
JP2008197617A JP2008197617A (en) 2008-08-28
JP2008197617A5 true JP2008197617A5 (en) 2010-10-14
JP4991455B2 JP4991455B2 (en) 2012-08-01

Family

ID=39756579

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007227606A Active JP4991455B2 (en) 2007-01-18 2007-09-03 Lens barrel and photographing apparatus using the same

Country Status (2)

Country Link
JP (1) JP4991455B2 (en)
CN (1) CN100595615C (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5623196B2 (en) * 2009-11-20 2014-11-12 キヤノン株式会社 Lens barrel and optical apparatus having the same
JP2012150368A (en) * 2011-01-20 2012-08-09 Ricoh Co Ltd Lens barrel, imaging apparatus, and electronic instrument
JP5792004B2 (en) * 2011-09-07 2015-10-07 オリンパス株式会社 Lens barrel
JP5882716B2 (en) * 2011-12-16 2016-03-09 キヤノン株式会社 Lens barrel and imaging device
CN105182494B (en) * 2014-05-20 2017-06-30 信泰光学(深圳)有限公司 Optical devices
CN109782412B (en) * 2017-11-15 2024-04-05 新思考电机有限公司 Lens driving device, camera device and electronic equipment
DE102019106443A1 (en) * 2018-09-10 2020-03-12 Jenoptik Optical Systems Gmbh Device and method for focus adjustment for a device for material processing and device for laser material processing
JP7195922B2 (en) * 2018-12-28 2022-12-26 住友重機械工業株式会社 Injection molding machines and anti-contact covers for injection molding machines
CN112034601A (en) * 2020-09-11 2020-12-04 南京华群光电技术有限公司 Transmission-type inner panoramic lens suitable for industrial detection
JP7482165B2 (en) 2022-03-16 2024-05-13 キヤノン株式会社 Lens apparatus, imaging apparatus, and method and program for controlling the lens apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5684640A (en) * 1994-04-27 1997-11-04 Nikon Corporation Camera with vibration compensation device having anti-vibration lens urging mechanism and feed screw mechanism
JPH08313783A (en) * 1995-11-27 1996-11-29 Konica Corp Zoom lens unit
JP3869963B2 (en) * 1998-12-18 2007-01-17 キヤノン株式会社 Lens barrel and optical apparatus equipped with the same
JP4338954B2 (en) * 2002-10-17 2009-10-07 富士フイルム株式会社 camera
JP3809826B2 (en) * 2003-05-19 2006-08-16 ソニー株式会社 Lens driving mechanism and imaging apparatus
JP4193748B2 (en) * 2004-04-19 2008-12-10 ソニー株式会社 Retractable lens barrel and imaging device

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