SG11201909908UA - Optical system for microscope, and microscope in which same is used - Google Patents

Optical system for microscope, and microscope in which same is used

Info

Publication number
SG11201909908UA
SG11201909908UA SG11201909908UA SG11201909908UA SG 11201909908U A SG11201909908U A SG 11201909908UA SG 11201909908U A SG11201909908U A SG 11201909908UA SG 11201909908U A SG11201909908U A SG 11201909908UA
Authority
SG
Singapore
Prior art keywords
microscope
lens group
optical system
objective
nal
Prior art date
Application number
Inventor
Kiyofumi Kano
Hirofumi Tsuchida
Kazuo Kajitani
Original Assignee
Aqua System Co Ltd
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 Aqua System Co Ltd filed Critical Aqua System Co Ltd
Publication of SG11201909908UA publication Critical patent/SG11201909908UA/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/0004—Microscopes specially adapted for specific applications
    • G02B21/0008—Microscopes having a simple construction, e.g. portable microscopes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/02—Objectives
    • G02B21/025—Objectives with variable magnification
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/10—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/02—Objectives
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/06—Means for illuminating specimens
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/06—Means for illuminating specimens
    • G02B21/08—Condensers
    • G02B21/086—Condensers for transillumination only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
    • G02B21/362—Mechanical details, e.g. mountings for the camera or image sensor, housings
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/56—Accessories
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/02—Objectives
    • G02B21/04—Objectives involving mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Lenses (AREA)
  • Microscoopes, Condenser (AREA)

Abstract

OPTICAL SYSTEM FOR MICROSCOPE, AND MICROSCOPE IN WHICH SAME IS USED 5 Provided is an optical system for a microscope that is capable of providing an observation image having sufficient contrast and resolution even when a specimen of one micron order is placed in contact with or adjacent to a surface of the optical system, which surface is closest to the object. The optical system for a microscope includes an illumination lens group G11 and an objective optical system. The objective optical 10 system has an objective lens group G12, a first image forming lens group G13, and a second image forming lens group G14, which are disposed in this order from the object side, and satisfies the following conditional expressions. NA L 2 ≤ NAO ≤ NAL 15… (1); 0.01 ≤ NAL ≤ 0.1… (2); and 25 ≤ MO ≤ 100 … (3), where NAL denotes the numerical aperture of the illumination lens group G11, NAO denotes the numerical aperture of the 15 objective lens group G12, and MO denotes the image-formation magnification of the objective lens group G12. Figure 3
SG11201909908U 2017-04-28 2017-06-21 Optical system for microscope, and microscope in which same is used SG11201909908UA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017089717A JP6296318B1 (en) 2017-04-28 2017-04-28 Microscope optical system and microscope using the same
PCT/JP2017/022936 WO2018198387A1 (en) 2017-04-28 2017-06-21 Optical system for microscope, and microscope in which same is used

Publications (1)

Publication Number Publication Date
SG11201909908UA true SG11201909908UA (en) 2019-11-28

Family

ID=61629074

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201909908U SG11201909908UA (en) 2017-04-28 2017-06-21 Optical system for microscope, and microscope in which same is used

Country Status (8)

Country Link
US (1) US11378792B2 (en)
EP (1) EP3617768A4 (en)
JP (1) JP6296318B1 (en)
KR (1) KR102387369B1 (en)
CN (1) CN110603473B (en)
SG (1) SG11201909908UA (en)
TW (1) TWI713761B (en)
WO (1) WO2018198387A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN213210581U (en) * 2020-11-04 2021-05-14 李拥军 Amplifying display device with limiting plate

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JP2015230356A (en) * 2014-06-04 2015-12-21 株式会社コプティック Interchangeable lens
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JP6029159B1 (en) * 2016-05-13 2016-11-24 株式会社タムロン Observation optical system, observation imaging apparatus, observation imaging system, imaging lens system, and adjustment method of observation optical system
JP6913513B2 (en) * 2017-05-25 2021-08-04 オリンパス株式会社 Lighting equipment for microscopes and microscopes

Also Published As

Publication number Publication date
KR20190126425A (en) 2019-11-11
JP2018189709A (en) 2018-11-29
TWI713761B (en) 2020-12-21
WO2018198387A1 (en) 2018-11-01
TW201839454A (en) 2018-11-01
US11378792B2 (en) 2022-07-05
CN110603473B (en) 2021-09-03
KR102387369B1 (en) 2022-04-15
CN110603473A (en) 2019-12-20
JP6296318B1 (en) 2018-03-20
US20200379228A1 (en) 2020-12-03
EP3617768A4 (en) 2020-12-30
EP3617768A1 (en) 2020-03-04

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