JP2003202480A5 - - Google Patents

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Publication number
JP2003202480A5
JP2003202480A5 JP2002000092A JP2002000092A JP2003202480A5 JP 2003202480 A5 JP2003202480 A5 JP 2003202480A5 JP 2002000092 A JP2002000092 A JP 2002000092A JP 2002000092 A JP2002000092 A JP 2002000092A JP 2003202480 A5 JP2003202480 A5 JP 2003202480A5
Authority
JP
Japan
Prior art keywords
lens
holding frame
water
lens holding
vent hole
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
JP2002000092A
Other languages
Japanese (ja)
Other versions
JP3897595B2 (en
JP2003202480A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2002000092A priority Critical patent/JP3897595B2/en
Priority claimed from JP2002000092A external-priority patent/JP3897595B2/en
Priority to US10/331,511 priority patent/US6738570B2/en
Publication of JP2003202480A publication Critical patent/JP2003202480A/en
Publication of JP2003202480A5 publication Critical patent/JP2003202480A5/ja
Application granted granted Critical
Publication of JP3897595B2 publication Critical patent/JP3897595B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (3)

最も被写体側に配置されたレンズまたはレンズ群と、該レンズまたはレンズ群を保持しズーミングまたはフォーカシングによって光軸方向に進退するレンズ保持枠と、該レンズ保持枠の被写体側に配置される外観部材を有するレンズ鏡筒において、該レンズ保持枠に通気孔を設け、該通気孔をふさぐように撥水性微多孔部材を設け、前記外観部材を前記撥水性微多孔部材を覆い隠すように配置すると共に前記レンズ保持枠及び撥水性微多孔部材に対し光軸方向に隙間を設けるように配置したことを特徴とするレンズ鏡筒。A lens or a lens group arranged closest to the subject, a lens holding frame that holds the lens or lens group and advances and retracts in the optical axis direction by zooming or focusing , and an appearance member arranged on the subject side of the lens holding frame. The lens barrel includes a vent hole in the lens holding frame, a water repellent microporous member is provided so as to block the vent hole, and the appearance member is disposed so as to cover the water repellent microporous member. A lens barrel characterized by being arranged so as to provide a gap in the optical axis direction with respect to the lens holding frame and the water-repellent microporous member. 最も被写体側に配置されたレンズまたはレンズ群と、該レンズまたはレンズ群を保持しズーミングまたはフォーカシングによって光軸方向に進退するレンズ保持枠と、該レンズ保持枠の被写体側に配置される外観部材を有するレンズ鏡筒において、該レンズ保持枠に通気孔を設け、該通気孔をふさぐように撥水性微多孔部材を設け、前記外観部材を前記レンズ保持枠及び撥水性微多孔部材に対し光軸方向に隙間を設けると共に前記外観部材の内周部と前記レンズの被写体側面の間に隙間を設けるように配置したことを特徴とするレンズ鏡筒。A lens or a lens group arranged closest to the subject, a lens holding frame that holds the lens or lens group and advances and retracts in the optical axis direction by zooming or focusing , and an appearance member arranged on the subject side of the lens holding frame. A lens barrel having a vent hole in the lens holding frame, a water-repellent microporous member provided so as to block the vent hole, and the outer appearance member in the optical axis direction with respect to the lens holding frame and the water-repellent microporous member. The lens barrel is characterized in that a gap is provided between the inner peripheral portion of the outer appearance member and a subject side surface of the lens. 前記撥水性微多孔部材は前記レンズ保持枠に設けられた前記通気孔の外側に設けられていることを特徴とする請求項１又は２に記載のレンズ鏡筒。  The lens barrel according to claim 1, wherein the water-repellent microporous member is provided outside the vent hole provided in the lens holding frame.
JP2002000092A 2002-01-04 2002-01-04 Lens barrel Expired - Fee Related JP3897595B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002000092A JP3897595B2 (en) 2002-01-04 2002-01-04 Lens barrel
US10/331,511 US6738570B2 (en) 2002-01-04 2002-12-31 Lens apparatus having vapor-resistant ventilation and optical instrument using lens apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002000092A JP3897595B2 (en) 2002-01-04 2002-01-04 Lens barrel

Publications (3)

Publication Number Publication Date
JP2003202480A JP2003202480A (en) 2003-07-18
JP2003202480A5 true JP2003202480A5 (en) 2005-07-28
JP3897595B2 JP3897595B2 (en) 2007-03-28

Family

ID=27640597

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002000092A Expired - Fee Related JP3897595B2 (en) 2002-01-04 2002-01-04 Lens barrel

Country Status (1)

Country Link
JP (1) JP3897595B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4726698B2 (en) * 2006-05-23 2011-07-20 京セラ株式会社 Lens assembly and imaging device
JP4951327B2 (en) * 2006-12-14 2012-06-13 ペンタックスリコーイメージング株式会社 Lens barrel

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