JPH0123763B2 - - Google Patents
Info
- Publication number
- JPH0123763B2 JPH0123763B2 JP56132061A JP13206181A JPH0123763B2 JP H0123763 B2 JPH0123763 B2 JP H0123763B2 JP 56132061 A JP56132061 A JP 56132061A JP 13206181 A JP13206181 A JP 13206181A JP H0123763 B2 JPH0123763 B2 JP H0123763B2
- Authority
- JP
- Japan
- Prior art keywords
- group
- lens
- groups
- focusing
- infinity
- 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.)
- Expired
Links
- 238000003384 imaging method Methods 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 11
- 230000005499 meniscus Effects 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 6
- 230000004075 alteration Effects 0.000 description 53
- 238000010586 diagram Methods 0.000 description 16
- 201000009310 astigmatism Diseases 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 206010010071 Coma Diseases 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 210000001747 pupil Anatomy 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13206181A JPS5834418A (ja) | 1981-08-25 | 1981-08-25 | 近距離撮影可能なレンズ系 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13206181A JPS5834418A (ja) | 1981-08-25 | 1981-08-25 | 近距離撮影可能なレンズ系 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5834418A JPS5834418A (ja) | 1983-02-28 |
JPH0123763B2 true JPH0123763B2 (de) | 1989-05-08 |
Family
ID=15072590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13206181A Granted JPS5834418A (ja) | 1981-08-25 | 1981-08-25 | 近距離撮影可能なレンズ系 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5834418A (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60188917A (ja) * | 1984-03-07 | 1985-09-26 | Asahi Optical Co Ltd | 近距離撮影用レンズ系 |
JPH0627897B2 (ja) * | 1985-04-19 | 1994-04-13 | 松下電器産業株式会社 | 投写レンズ |
JPH0812328B2 (ja) * | 1985-10-21 | 1996-02-07 | キヤノン株式会社 | 投影レンズ |
JPH01163713A (ja) * | 1987-12-19 | 1989-06-28 | Minolta Camera Co Ltd | マイクロフィルム投影レンズ系 |
JP2697119B2 (ja) * | 1989-04-26 | 1998-01-14 | 株式会社ニコン | 近距離撮影可能なレンズ系 |
JPH06308383A (ja) * | 1993-04-23 | 1994-11-04 | Nikon Corp | 水中カメラ用中望遠レンズ |
JPH11133312A (ja) * | 1997-10-31 | 1999-05-21 | Tochigi Nikon:Kk | 無限遠物体から近接物体まで合焦可能な観察光学系 |
EP2362259B1 (de) | 2007-12-13 | 2013-05-01 | Nikon Corporation | Makro-Teleobjektiv mit drei Linsengruppen vom Frontfokus-Typ und Verfahren zu seiner Herstellung |
JP5277624B2 (ja) * | 2007-12-13 | 2013-08-28 | 株式会社ニコン | マクロレンズ、光学装置、マクロレンズのフォーカシング方法 |
JP5994561B2 (ja) * | 2012-10-16 | 2016-09-21 | 株式会社リコー | 撮影レンズ、撮影レンズユニット及び撮像装置及び携帯情報端末装置 |
JP5785338B2 (ja) * | 2012-12-21 | 2015-09-30 | 富士フイルム株式会社 | 撮像レンズおよび撮像装置 |
JP6410462B2 (ja) * | 2014-05-12 | 2018-10-24 | キヤノン株式会社 | 光学系及びそれを有する撮像装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50138823A (de) * | 1974-04-06 | 1975-11-06 | ||
JPS5113651A (de) * | 1974-07-24 | 1976-02-03 | Kubota Ltd |
-
1981
- 1981-08-25 JP JP13206181A patent/JPS5834418A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50138823A (de) * | 1974-04-06 | 1975-11-06 | ||
JPS5113651A (de) * | 1974-07-24 | 1976-02-03 | Kubota Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPS5834418A (ja) | 1983-02-28 |
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