JPS5877308U - Focusing device in microscope - Google Patents

Focusing device in microscope

Info

Publication number
JPS5877308U
JPS5877308U JP17224481U JP17224481U JPS5877308U JP S5877308 U JPS5877308 U JP S5877308U JP 17224481 U JP17224481 U JP 17224481U JP 17224481 U JP17224481 U JP 17224481U JP S5877308 U JPS5877308 U JP S5877308U
Authority
JP
Japan
Prior art keywords
microscope
focusing device
aperture
aperture plate
objective 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.)
Pending
Application number
JP17224481U
Other languages
Japanese (ja)
Inventor
後藤 敦夫
Original Assignee
オリンパス光学工業株式会社
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 by オリンパス光学工業株式会社 filed Critical オリンパス光学工業株式会社
Priority to JP17224481U priority Critical patent/JPS5877308U/en
Publication of JPS5877308U publication Critical patent/JPS5877308U/en
Pending legal-status Critical Current

Links

Landscapes

  • Lens Barrels (AREA)
  • Microscoopes, Condenser (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第1図は従来のピント合わせ装置の原理図、第2図は他
の従来例を示す図、第3図は本考案によるピント合わせ
装置の開口板の一実施例を示す図、第4図は他の実施例
を示す図である。 1・・・・・・レンズ、2・・・・・・物体、3.3’
 、3″・・・・・・像、4・・・・・・開口板、5.
5′・・・・・・プリズムまたはミラー、6. 6’・
・・・・・イメージセンサ−17゜8・・・・・・開口
板、7a、  7a’ −−−−−−エレクトロクロミ
ック素子、8a1+  8 a1’ +  8 a2+
  8 a2’・・・・・・開口。
FIG. 1 is a diagram showing the principle of a conventional focusing device, FIG. 2 is a diagram showing another conventional example, FIG. 3 is a diagram showing an embodiment of the aperture plate of the focusing device according to the present invention, and FIG. It is a figure which shows another Example. 1...lens, 2...object, 3.3'
, 3″... Image, 4... Aperture plate, 5.
5'...prism or mirror, 6. 6'・
...Image sensor-17°8...Aperture plate, 7a, 7a' ---Electrochromic element, 8a1+ 8 a1' + 8 a2+
8 a2'...Opening.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 対物レンズの射出瞳またはその共役位置に光束の一部を
通す開口部を備えた開口板を配置し、前記開口部を移動
させることによりピント位置を検出するようにした顕微
鏡のピント合わせ装置において、開口板が電気的または
磁気的制御により光透過率の変化し得る物性部材により
形成されていることを特徴とする装置。
In a focusing device for a microscope, an aperture plate having an aperture through which part of the light beam passes is arranged at the exit pupil of an objective lens or a conjugate position thereof, and the focus position is detected by moving the aperture, An apparatus characterized in that the aperture plate is formed of a physical material whose light transmittance can be changed by electrical or magnetic control.
JP17224481U 1981-11-19 1981-11-19 Focusing device in microscope Pending JPS5877308U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17224481U JPS5877308U (en) 1981-11-19 1981-11-19 Focusing device in microscope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17224481U JPS5877308U (en) 1981-11-19 1981-11-19 Focusing device in microscope

Publications (1)

Publication Number Publication Date
JPS5877308U true JPS5877308U (en) 1983-05-25

Family

ID=29964148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17224481U Pending JPS5877308U (en) 1981-11-19 1981-11-19 Focusing device in microscope

Country Status (1)

Country Link
JP (1) JPS5877308U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019007698A1 (en) * 2017-07-05 2019-01-10 Carl Zeiss Microscopy Gmbh Digital determination of focus position

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS495253A (en) * 1972-04-28 1974-01-17
JPS5066239A (en) * 1973-10-09 1975-06-04

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS495253A (en) * 1972-04-28 1974-01-17
JPS5066239A (en) * 1973-10-09 1975-06-04

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019007698A1 (en) * 2017-07-05 2019-01-10 Carl Zeiss Microscopy Gmbh Digital determination of focus position
CN110945398A (en) * 2017-07-05 2020-03-31 卡尔蔡司显微镜有限责任公司 Digitally determining the position of the focus
US11460683B2 (en) 2017-07-05 2022-10-04 Carl Zeiss Microscopy Gmbh Digital determination of focus position

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