JP2004013169A5 - - Google Patents
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- JP2004013169A5 JP2004013169A5 JP2003290462A JP2003290462A JP2004013169A5 JP 2004013169 A5 JP2004013169 A5 JP 2004013169A5 JP 2003290462 A JP2003290462 A JP 2003290462A JP 2003290462 A JP2003290462 A JP 2003290462A JP 2004013169 A5 JP2004013169 A5 JP 2004013169A5
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- JP
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- group
- lens
- zoom lens
- object side
- zooming
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- 238000003384 imaging method Methods 0.000 claims 7
- 230000005499 meniscus Effects 0.000 claims 4
- 230000003287 optical effect Effects 0.000 claims 2
Claims (19)
第２群として構成されて実質的な変倍を行う変倍群であって、
物体側から順に、物体側に曲率の大きな面を向けた正レンズ、像側に曲率の大きな面を向けた負レンズ、正レンズの３枚を配して構成され、最も物体側の面と最も像側の面が非球面であることを特徴とする、ズームレンズにおける変倍群。 A first group having a negative focal length disposed on the object side, a second group having a positive focal length disposed on the image side of the first group, and the second group on the object side of the second group. And a diaphragm that moves integrally with the group, and when zooming from the short focal end to the long focal end, the second group monotonically moves from the image side to the object side, and the first group is an image plane accompanying the zooming. In a zoom lens that moves to compensate for position variations,
A zooming group configured as a second group and performing substantial zooming,
In order from the object side, there are three lenses: a positive lens with a large curvature on the object side, a negative lens with a large curvature on the image side, and a positive lens. A zooming group in a zoom lens, wherein the image side surface is an aspherical surface.
光軸方向の厚み：Ｌ２、最大像高：Ｙ’が、条件：
（１） １．０＜(Ｌ２／Ｙ’)＜２．５
を満足することを特徴とする、ズームレンズにおける変倍群。 In the zooming group according to claim 1,
Thickness in optical axis direction: L 2 , maximum image height: Y ′, conditions:
(1) 1.0 <(L 2 /Y′)<2.5
A zooming group in a zoom lens characterized by satisfying
最も像側の正レンズの、物体側および像側の面の曲率半径をそれぞれＲ31およびＲ32とするとき、これらが条件：
（２） −０．４＜(Ｒ31＋Ｒ32)／(Ｒ3−Ｒ32)＜０．０
を満足することを特徴とする、ズームレンズの変倍群。 In the zooming group according to claim 1 or 2,
When the radius of curvature of the object-side and image-side surfaces of the most image-side positive lens is R 31 and R 32 , respectively, these are the conditions:
(2) −0.4 <(R 31 + R 32 ) / (R 3 −R 32 ) <0.0
Zoom lens zoom lens group satisfying the above.
最も物体側の正レンズと、これに続く負レンズとが接合された接合レンズであることを特徴とする、ズームレンズの変倍群。 In the zooming group according to claim 1, 2 or 3,
A zoom lens zoom group, wherein the zoom lens is a cemented lens in which a positive lens closest to the object side and a negative lens following the positive lens are cemented together.
３枚のレンズが互いに独立したレンズであることを特徴とする、ズームレンズにおける変倍群。 In the zooming group according to claim 1, 2 or 3,
A zooming group in a zoom lens, wherein the three lenses are independent from each other.
第２群として構成されて実質的な変倍を行う変倍群であって、
最も物体側の面と最も像側の面が非球面で、光軸方向の厚み：Ｌ２、最大像高：Ｙ’が、条件：
（１） １．０＜(Ｌ２／Ｙ’)＜２．５
を満足することを特徴とする、ズームレンズにおける変倍群。 A first group with a negative focal length disposed on the object side, a second group with a positive focal length disposed on the image side of the first group, and a second group on the object side of the second group And an aperture that moves integrally with the zoom lens, the second group monotonically moves from the image side to the object side during zooming from the short focus end to the long focus end, and the first group is an image plane position accompanying zooming. In a zoom lens that moves to compensate for fluctuations in
A zooming group configured as a second group and performing substantial zooming,
The most object side surface and the most image side surface are aspherical surfaces, the thickness in the optical axis direction is L 2 , and the maximum image height is Y ′.
(1) 1.0 <(L 2 /Y′)<2.5
A zooming group in a zoom lens characterized by satisfying
物体側から順に、物体側に曲率の大きな面を向けた正レンズ、像側に曲率の大きな面を向けた負レンズ、正レンズ、正レンズの４枚を配して構成されることを特徴とする、ズームレンズにおける変倍群。 In the zooming group according to claim 6,
In order from the object side, a positive lens having a large curvature surface facing the object side, a negative lens having a large curvature surface facing the image side, a positive lens, and a positive lens are arranged. A zooming group in a zoom lens.
最も物体側の正レンズと、これに続く負レンズが接合レンズとして一体化されたことを特徴とする、ズームレンズにおける変倍群。 In the zooming group according to claim 6 or 7,
A zooming group in a zoom lens, wherein the most object side positive lens and the subsequent negative lens are integrated as a cemented lens.
第２群として、請求項１〜８の任意の１に記載の変倍群を用いたことを特徴とするズームレンズ。 A first group with a negative focal length disposed on the object side, a second group with a positive focal length disposed on the image side of the first group, and a second group on the object side of the second group And a diaphragm that moves integrally with the zoom lens. When zooming from the short focal point to the long focal point, the second group monotonically moves from the image side to the object side to perform substantial zooming. In a zoom lens that moves so as to correct fluctuations in image plane position due to zooming,
A zoom lens using the variable power group according to any one of claims 1 to 8 as the second group.
第１群が、物体側から順に、像側に曲率の大きな面を向けた少なくとも１枚の負レンズ、物体側に曲率の大きな面を向けた少なくとも１枚の正レンズを配してなり、上記少なくとも１枚の負レンズの、最も像側の面が非球面であることを特徴とするズームレンズ。 The zoom lens according to claim 9.
The first group includes, in order from the object side, at least one negative lens having a large curvature surface facing the image side, and at least one positive lens having a large curvature surface facing the object side, A zoom lens, wherein at least one negative lens has an aspherical surface closest to the image side.
第１群が、物体側から順に、物体側に凸面を向けた負メニスカスレンズ、像側に曲率の大きな面を向けた負レンズ、物体側に曲率の大きな面を向けた正レンズを配してなる３枚構成であって、
上記像側に曲率の大きな面を向けた負レンズの像側の面が非球面であることを特徴とするズームレンズ。 The zoom lens according to claim 10.
In order from the object side, the first lens group includes a negative meniscus lens having a convex surface facing the object side, a negative lens having a large curvature surface facing the image side, and a positive lens having a large curvature surface facing the object side. It consists of three pieces,
A zoom lens according to claim 1, wherein the image side surface of the negative lens having a large curvature surface facing the image side is an aspherical surface.
第１群の最も物体側に配された負メニスカスレンズの焦点距離：ｆL1、第１群の物体側から２番目に配された負レンズの焦点距離：ｆL2が、条件：
（３） ０．７＜(ｆL1／ｆL2)＜２．０
を満足することを特徴とするズームレンズ。 The zoom lens according to claim 11.
The focal length: f L1 of the negative meniscus lens arranged closest to the object side in the first group, and the focal length: f L2 of the negative lens arranged second from the object side of the first group are:
(3) 0.7 <(f L1 / f L2 ) <2.0
A zoom lens characterized by satisfying
第１群が、物体側から順に、物体側に凸面を向けた負メニスカスレンズ、物体側に曲率の大きな面を向けた正レンズを配してなる２枚構成であり、
上記負メニスカスレンズの像側の面が非球面であることを特徴とするズームレンズ。 The zoom lens according to claim 10.
The first group is a two-lens configuration in which a negative meniscus lens having a convex surface facing the object side and a positive lens having a large curvature surface facing the object side are arranged in order from the object side.
A zoom lens, wherein the image side surface of the negative meniscus lens is an aspherical surface.
全系の構成レンズ枚数が８枚以下であることを特徴とするズームレンズ。 The zoom lens according to claim 9-13.
A zoom lens characterized in that the number of lenses constituting the entire system is eight or less.
撮影用ズームレンズが沈胴式に収納されることを特徴とする撮像装置。 The imaging device according to claim 15, wherein
An image pickup apparatus in which a zoom lens for photographing is retracted .
撮影画像をデジタル情報とする機能を有することを特徴とする撮像装置。 The imaging device according to claim 15 or 16,
An imaging apparatus having a function of using a captured image as digital information.
ズームレンズによる像を受光する受光素子が２００万画素以上のものであることを特徴とする撮像装置。 The imaging device according to claim 17.
An image pickup apparatus, wherein a light receiving element for receiving an image by a zoom lens has 2 million pixels or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003290462A JP2004013169A (en) | 2003-08-08 | 2003-08-08 | Variable magnification group in zoom lens, zoom lens, and camera system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003290462A JP2004013169A (en) | 2003-08-08 | 2003-08-08 | Variable magnification group in zoom lens, zoom lens, and camera system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001222811A Division JP4268773B2 (en) | 2001-07-24 | 2001-07-24 | Zoom group, zoom lens, and imaging device for zoom lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004013169A JP2004013169A (en) | 2004-01-15 |
| JP2004013169A5 true JP2004013169A5 (en) | 2006-03-30 |
Family
ID=30438839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003290462A Withdrawn JP2004013169A (en) | 2003-08-08 | 2003-08-08 | Variable magnification group in zoom lens, zoom lens, and camera system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2004013169A (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7151638B2 (en) | 2004-02-27 | 2006-12-19 | Ricoh Company, Ltd. | Zooming lens system and device using the zooming lens system |
| JP4758151B2 (en) * | 2004-06-22 | 2011-08-24 | パナソニック株式会社 | Zoom lens system, imaging device and camera |
| JP4624776B2 (en) * | 2004-12-28 | 2011-02-02 | 富士フイルム株式会社 | 3 group zoom lens |
| JP2006220715A (en) * | 2005-02-08 | 2006-08-24 | Olympus Corp | Zoom lens and imaging apparatus using the same |
| JP4873937B2 (en) * | 2005-11-25 | 2012-02-08 | オリンパスイメージング株式会社 | Three-group zoom lens and image pickup apparatus including the same |
| JP4884783B2 (en) * | 2006-01-19 | 2012-02-29 | 富士フイルム株式会社 | Imaging magnification changing optical system and imaging apparatus using the same |
| JP2010061007A (en) | 2008-09-05 | 2010-03-18 | Sony Corp | Zoom lens and image capturing apparatus |
| JP4697555B2 (en) | 2008-11-19 | 2011-06-08 | ソニー株式会社 | Zoom lens and imaging device |
| JP2010122458A (en) | 2008-11-19 | 2010-06-03 | Sony Corp | Zoom lens and image pickup device |
| JP4697556B2 (en) | 2008-11-21 | 2011-06-08 | ソニー株式会社 | Zoom lens and imaging device |
| JP2010256417A (en) | 2009-04-21 | 2010-11-11 | Sony Corp | Zoom lens and imaging apparatus |
| KR101089938B1 (en) | 2009-12-21 | 2011-12-05 | 삼성전기주식회사 | optical system for super wide angle |
| KR101925056B1 (en) | 2011-09-02 | 2018-12-04 | 삼성전자주식회사 | Zoom lens and photographing apparatus |
| TWI612328B (en) * | 2016-07-28 | 2018-01-21 | 大立光電股份有限公司 | Optical imaging lens assembly, image capturing apparatus and electronic device |
| JP7313478B2 (en) | 2019-05-05 | 2023-07-24 | 華為技術有限公司 | Compact camera module, terminal device, imaging method, and imaging apparatus |
| CN110913096A (en) * | 2019-05-05 | 2020-03-24 | 华为技术有限公司 | Camera module and electronic equipment |
| CN111580251B (en) * | 2020-05-22 | 2022-02-08 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
-
2003
- 2003-08-08 JP JP2003290462A patent/JP2004013169A/en not_active Withdrawn
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