JPH10170827A - ズームレンズ - Google Patents
ズームレンズInfo
- Publication number
- JPH10170827A JPH10170827A JP8352055A JP35205596A JPH10170827A JP H10170827 A JPH10170827 A JP H10170827A JP 8352055 A JP8352055 A JP 8352055A JP 35205596 A JP35205596 A JP 35205596A JP H10170827 A JPH10170827 A JP H10170827A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- zoom lens
- group
- zoom
- object side
- 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
- 230000004907 flux Effects 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000004075 alteration Effects 0.000 description 28
- 238000010586 diagram Methods 0.000 description 27
- 230000000052 comparative effect Effects 0.000 description 22
- 201000009310 astigmatism Diseases 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000001444 catalytic combustion detection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/145—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only
- G02B15/1451—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8352055A JPH10170827A (ja) | 1996-12-11 | 1996-12-11 | ズームレンズ |
| US08/967,946 US5991092A (en) | 1996-12-11 | 1997-11-12 | Zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8352055A JPH10170827A (ja) | 1996-12-11 | 1996-12-11 | ズームレンズ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10170827A true JPH10170827A (ja) | 1998-06-26 |
| JPH10170827A5 JPH10170827A5 (enExample) | 2004-07-15 |
Family
ID=18421481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8352055A Pending JPH10170827A (ja) | 1996-12-11 | 1996-12-11 | ズームレンズ |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5991092A (enExample) |
| JP (1) | JPH10170827A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007316288A (ja) * | 2006-05-25 | 2007-12-06 | Canon Inc | ズームレンズ及びそれを用いた撮像装置 |
| JP2012141646A (ja) * | 2012-04-26 | 2012-07-26 | Canon Inc | ズームレンズ及びそれを用いた撮像装置 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10333034A (ja) * | 1997-06-03 | 1998-12-18 | Olympus Optical Co Ltd | 光学系 |
| US6987622B2 (en) * | 2003-11-06 | 2006-01-17 | Canon Kabushiki Kaisha | Zoom lens and image taking system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3057921B2 (ja) * | 1992-08-06 | 2000-07-04 | キヤノン株式会社 | ズームレンズ |
| US5745300A (en) * | 1993-02-17 | 1998-04-28 | Canon Kabushiki Kaisha | Zoom lens of the inner focus type |
| JP3102200B2 (ja) * | 1993-03-31 | 2000-10-23 | キヤノン株式会社 | ズームレンズ |
| US5760967A (en) * | 1993-11-30 | 1998-06-02 | Canon Kabushiki Kaisha | Zoom lens |
| JP3827251B2 (ja) * | 1996-07-16 | 2006-09-27 | フジノン株式会社 | ズームレンズ |
-
1996
- 1996-12-11 JP JP8352055A patent/JPH10170827A/ja active Pending
-
1997
- 1997-11-12 US US08/967,946 patent/US5991092A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007316288A (ja) * | 2006-05-25 | 2007-12-06 | Canon Inc | ズームレンズ及びそれを用いた撮像装置 |
| JP2012141646A (ja) * | 2012-04-26 | 2012-07-26 | Canon Inc | ズームレンズ及びそれを用いた撮像装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US5991092A (en) | 1999-11-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20040705 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20040812 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20041008 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20050811 |