JPS6216910U - - Google Patents
Info
- Publication number
- JPS6216910U JPS6216910U JP9543286U JP9543286U JPS6216910U JP S6216910 U JPS6216910 U JP S6216910U JP 9543286 U JP9543286 U JP 9543286U JP 9543286 U JP9543286 U JP 9543286U JP S6216910 U JPS6216910 U JP S6216910U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- focusing
- afocal
- focus plate
- telescope
- 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
Links
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Telescopes (AREA)
- Lenses (AREA)
Description
第１図は従来の望遠鏡の自動レベルの光学系の
説明図、第２図は本考案に係る望遠鏡の１例の自
動レベルの光学系において、近距離視準時の該光
学系の光路図、第３図は、第２図記載の光学系に
おいて、無限遠時の該光学系の光路図である。
１…対物レンズ、Ａ２…無焦点レンズ（合焦レ
ンズ）、３…自動補正機構、４…焦点板、５…接
眼レンズ、６…光軸または視準軸、７…対物レン
ズ８の焦点、８…対物レンズ、９…凸レンズ（合
焦レンズ）、Ｂ１０…無焦点レンズ（固定レンズ
）。
FIG. 1 is an explanatory diagram of the automatic leveling optical system of a conventional telescope, and FIG. 2 is an optical path diagram of the optical system of the automatic leveling optical system of an example of the telescope according to the present invention when collimating at a short distance. FIG. 3 is an optical path diagram of the optical system shown in FIG. 2 at infinity. 1... Objective lens, A2... Afocal lens (focusing lens), 3... Automatic correction mechanism, 4... Focal plate, 5... Eyepiece lens, 6... Optical axis or collimation axis, 7... Focus of objective lens 8, 8 ...Objective lens, 9...Convex lens (focusing lens), B10...Afocal lens (fixed lens).
Claims (1)
機構３、焦点板４、接眼レンズ５を順次配設固定
した光学系を有する自動レベルの測量用内焦式望
遠鏡において、対物レンズ８と無焦点レンズＢ１
０との間に合焦用凸レンズ９を設け、上記凸レン
ズ９は、光軸上を移動可能に配置され、前記無焦
点レンズＢ１０により焦点板４に常に結像するよ
うに構成したことを特徴とする測量用望遠鏡。 In an automatic level surveying internal focusing telescope having an optical system in which an objective lens 8, an afocal lens B10, an automatic correction mechanism 3, a focusing plate 4, and an eyepiece lens 5 are sequentially arranged and fixed, the objective lens 8 and an afocal lens B1 are used.
A focusing convex lens 9 is provided between the focus plate 4 and the focus plate 4, and the convex lens 9 is arranged to be movable on the optical axis, and is configured such that an image is always formed on the focus plate 4 by the afocal lens B10. A surveying telescope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9543286U JPS6216910U (en) | 1986-06-24 | 1986-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9543286U JPS6216910U (en) | 1986-06-24 | 1986-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6216910U true JPS6216910U (en) | 1987-01-31 |
Family
ID=30959954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9543286U Pending JPS6216910U (en) | 1986-06-24 | 1986-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6216910U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51124421A (en) * | 1975-04-23 | 1976-10-29 | Canon Inc | Tele-ph0t0 lens |
| JPS53129061A (en) * | 1977-04-18 | 1978-11-10 | Asahi Optical Co Ltd | Inner focusing analactic telescope objective lens |
-
1986
- 1986-06-24 JP JP9543286U patent/JPS6216910U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51124421A (en) * | 1975-04-23 | 1976-10-29 | Canon Inc | Tele-ph0t0 lens |
| JPS53129061A (en) * | 1977-04-18 | 1978-11-10 | Asahi Optical Co Ltd | Inner focusing analactic telescope objective lens |
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