JPS6225901U - - Google Patents

Info

Publication number
JPS6225901U
JPS6225901U JP11755685U JP11755685U JPS6225901U JP S6225901 U JPS6225901 U JP S6225901U JP 11755685 U JP11755685 U JP 11755685U JP 11755685 U JP11755685 U JP 11755685U JP S6225901 U JPS6225901 U JP S6225901U
Authority
JP
Japan
Prior art keywords
lens
aperture
optical lens
mounting part
fixed
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
JP11755685U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP11755685U priority Critical patent/JPS6225901U/ja
Publication of JPS6225901U publication Critical patent/JPS6225901U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Viewfinders (AREA)
  • Optical Elements Other Than Lenses (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案固定絞り装置の一実施例を示す
分解斜視図、第２図は接眼レンズ５および固定絞
り７を装着する前の状態を示す縦断面図、第３図
は接眼レンズ５および固定絞り７を装着した状態
を示す縦断面図、第４図は固定絞りが設けられて
いないフアインダ光学系の一例を示す縦断面図、
第５図は接眼レンズ装着部４と一体の固定絞り７
を有するフアインダ光学系の従来例を示す縦断面
図である。 １：プリズム収容箱、２：着座部、３：ペンタ
プリズム、４：接眼レンズ装着部、５：接眼レン
ズ、６：焦点板、７：固定絞り、４０：接眼レン
ズ装着部、４０ａ：レンズ嵌合部、４０ｂ：開口
、４０ｂ―１：当接部。 Fig. 1 is an exploded perspective view showing an embodiment of the fixed diaphragm device of the present invention, Fig. 2 is a vertical cross-sectional view showing the state before the eyepiece 5 and fixed diaphragm 7 are attached, and Fig. 3 is the eyepiece 5 and the fixed diaphragm 7. A vertical cross-sectional view showing a state in which the fixed aperture 7 is installed, FIG. 4 is a vertical cross-sectional view showing an example of a finder optical system without a fixed aperture,
Figure 5 shows a fixed aperture 7 integrated with the eyepiece mounting part 4.
FIG. 2 is a vertical cross-sectional view showing a conventional example of a finder optical system having the following. 1: Prism storage box, 2: Seating section, 3: Pentaprism, 4: Eyepiece mounting section, 5: Eyepiece lens, 6: Focus plate, 7: Fixed aperture, 40: Eyepiece mounting section, 40a: Lens fitting part, 40b: opening, 40b-1: contact part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 開口と、その開口の周辺に形成され装着される
べきレンズの表面に応じた曲面を備えた当接部と
を有するレンズ装着部と；そのレンズ装着部に装
着される光学レンズと；可撓性部材から成り前記
光学レンズと前記当接部との間で、前記光学レン
ズ表面の曲面に沿つて変形してその全周が密着挾
持される固定絞りと；を具備したことを特徴とす
る光学系の固定絞り装置。 A lens mounting part having an aperture and a contact part formed around the aperture and having a curved surface corresponding to the surface of the lens to be mounted; An optical lens mounted on the lens mounting part; Flexible an optical system comprising: a fixed diaphragm that is made of a member and is deformed along the curved surface of the optical lens surface and tightly clamped around the entire circumference between the optical lens and the contact portion; fixed aperture device.
JP11755685U 1985-07-30 1985-07-30 Pending JPS6225901U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11755685U JPS6225901U (en) 1985-07-30 1985-07-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11755685U JPS6225901U (en) 1985-07-30 1985-07-30

Publications (1)

Publication Number Publication Date
JPS6225901U true JPS6225901U (en) 1987-02-17

Family

ID=31003181

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11755685U Pending JPS6225901U (en) 1985-07-30 1985-07-30

Country Status (1)

Country Link
JP (1) JPS6225901U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001133700A (en) * 1999-11-05 2001-05-18 Olympus Optical Co Ltd Real image type finder optical system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5912112B2 (en) * 1976-01-01 1984-03-21 帝国臓器製薬株式会社 New substituted aniline derivatives
JPS59127986A (en) * 1983-01-13 1984-07-23 Matsushita Electric Ind Co Ltd Laser working device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5912112B2 (en) * 1976-01-01 1984-03-21 帝国臓器製薬株式会社 New substituted aniline derivatives
JPS59127986A (en) * 1983-01-13 1984-07-23 Matsushita Electric Ind Co Ltd Laser working device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001133700A (en) * 1999-11-05 2001-05-18 Olympus Optical Co Ltd Real image type finder optical system

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