JPH02121710U - - Google Patents
Info
- Publication number
- JPH02121710U JPH02121710U JP2968589U JP2968589U JPH02121710U JP H02121710 U JPH02121710 U JP H02121710U JP 2968589 U JP2968589 U JP 2968589U JP 2968589 U JP2968589 U JP 2968589U JP H02121710 U JPH02121710 U JP H02121710U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- observation
- view
- illumination
- field
- 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
Links
- 230000003287 optical effect Effects 0.000 claims description 13
- 238000005286 illumination Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 6
Description
第１図は本考案による光学装置の第１実施例で
ある実体顕微鏡の光学系の概略図、第２図ａ及び
ｂは夫々第１実施例のスプリツトプリズムの平面
図及び側面図、第３図及び第４図は第１実施例に
おける照野の変化を示す図、第５図は第１実施例
の照野が変化した時の観察視野との関係を示す図
、第６図は第２実施例の光学系の概略図、第７図
ａ及びｂは夫々第２実施例のプリズムプレートの
平面図及び側面図、第８図及び第９図は第２実施
例における照野の変化を示す図、第１０図ａ及び
ｂは夫々第３実施例のプリズムプレートの平面図
及び側面図、第１１図は第３実施例における照野
の変化を示す図、第１２図は従来例において投影
像が観察視野と同等又はそれよりも大きい場合の
分割投影像の変化を示す図、第１３図は従来例に
おいて投影像が観察視野よりも十分小さい場合の
分割投影像の変化を示す図である。
Ｆ……ピント面、Ｉ……対物レンズ、２……観
察変倍光学系、３……観察光学系、Ｏ……術者、
４……ライトガイド、５……リレーレンズ、６，
８……プリズム、７……照明変倍光学系、９……
スプリツトプリズム、１０，１１……プリズムプ
レート、Ｃ……共役位置、ＳＦ……照野絞り、Ｉ
Ａ，ＩＢ，ＩＣ……照野の範囲、ＡＯ……観察視
野、Ｂ……非照明部、Ｔ′，Ｔ″……凹部、Ｍ…
…移動部。
FIG. 1 is a schematic diagram of the optical system of a stereoscopic microscope which is the first embodiment of the optical device according to the present invention, FIGS. 2a and 2b are a plan view and a side view of the split prism of the first embodiment, and 4 and 4 are diagrams showing changes in the illumination field in the first embodiment, FIG. 5 is a diagram showing the relationship with the observation field of view when the illumination field in the first embodiment is changed, and FIG. A schematic diagram of the optical system of the embodiment, FIGS. 7a and 7b are a plan view and a side view of the prism plate of the second embodiment, respectively, and FIGS. 8 and 9 show changes in the illumination field in the second embodiment. 10a and 10b are respectively a plan view and a side view of the prism plate of the third embodiment, FIG. 11 is a diagram showing changes in the illumination field in the third embodiment, and FIG. 12 is a projected image in the conventional example. FIG. 13 is a diagram showing changes in the divided projected image when the projected image is sufficiently smaller than the observed field of view in the conventional example. F... Focus plane, I... Objective lens, 2... Variable observation optical system, 3... Observation optical system, O... Operator,
4...Light guide, 5...Relay lens, 6,
8... Prism, 7... Illumination variable magnification optical system, 9...
Split prism, 10, 11... Prism plate, C... Conjugate position, SF... Teruno diaphragm, I
A, IB, IC... Range of illumination field, AO... Observation field, B... Non-illuminated area, T', T''... Concave area, M...
...Moving department.
Claims (1)
照明する照明光学系とを備えた光学装置において
、前記照明光学系中の、前記観察光学系の物体側
ピント面と共役な位置の近傍に像分割光学素子を
配置したことを特徴とする光学装置。 In an optical device including an observation optical system for observing an object and an illumination optical system for illuminating an observation range of the object, an image is formed in the vicinity of a position in the illumination optical system that is conjugate with the object-side focal plane of the observation optical system. An optical device characterized in that split optical elements are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989029685U JPH0720651Y2 (en) | 1989-03-15 | 1989-03-15 | Optical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989029685U JPH0720651Y2 (en) | 1989-03-15 | 1989-03-15 | Optical device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02121710U true JPH02121710U (en) | 1990-10-03 |
| JPH0720651Y2 JPH0720651Y2 (en) | 1995-05-15 |
Family
ID=31254109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989029685U Expired - Lifetime JPH0720651Y2 (en) | 1989-03-15 | 1989-03-15 | Optical device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0720651Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2076176A (en) * | 1980-05-19 | 1981-11-25 | Vickers Ltd | Focusing Optical Apparatus |
-
1989
- 1989-03-15 JP JP1989029685U patent/JPH0720651Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2076176A (en) * | 1980-05-19 | 1981-11-25 | Vickers Ltd | Focusing Optical Apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0720651Y2 (en) | 1995-05-15 |
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