WO2013015082A1 - 広角レンズ，撮像光学装置及びデジタル機器 - Google Patents

広角レンズ，撮像光学装置及びデジタル機器 Download PDF

Info

Publication number
WO2013015082A1
WO2013015082A1 PCT/JP2012/067081 JP2012067081W WO2013015082A1 WO 2013015082 A1 WO2013015082 A1 WO 2013015082A1 JP 2012067081 W JP2012067081 W JP 2012067081W WO 2013015082 A1 WO2013015082 A1 WO 2013015082A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
wide
imaging
image
angle
Prior art date
Application number
PCT/JP2012/067081
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
廣瀬　全利
Original Assignee
コニカミノルタアドバンストレイヤー株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by コニカミノルタアドバンストレイヤー株式会社 filed Critical コニカミノルタアドバンストレイヤー株式会社
Priority to JP2013525644A priority Critical patent/JP5644947B2/ja
Priority to CN201280036947.7A priority patent/CN103718079B/zh
Publication of WO2013015082A1 publication Critical patent/WO2013015082A1/ja

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/004—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having four lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces

Definitions

  • the present invention relates to a wide-angle lens, an imaging optical device, and a digital device. More specifically, a small wide-angle lens that forms an optical image of a subject on a curved imaging surface (that is, a light-receiving surface) of the imaging device, and an electrical signal obtained by capturing the subject image with the wide-angle lens and the imaging device. And a digital device with an image input function such as a digital camera and a surveillance camera equipped with the imaging optical device.
  • an imaging lens mounted on an imaging optical device is required to have a wider angle of view as well as higher performance and smaller size.
  • the aberration correction of the imaging lens becomes more difficult as the angle becomes wider.
  • Patent Documents 1 and 2 propose a solid-state imaging device having a curved imaging surface for the purpose of reducing field curvature. Further, an optical system whose performance has been improved by bending the camera film in the longitudinal direction in accordance with the curvature of field has been proposed in Patent Documents 3 and 4 and the like.
  • the present invention has been made in view of such problems, and its object is to enable effective use of a curved imaging surface and to achieve high performance, downsizing, and wide angle of view.
  • an imaging optical device including the lens, and a digital device.
  • the wide-angle lens of the first invention is a wide-angle lens that forms an image on an imaging element having a curved shape with the imaging surface facing a concave surface on the object side and has a total angle of view of 120 ° or more.
  • a negative power first lens having at least one aspheric surface in order from the object side;
  • a positive power second lens having a meniscus shape having at least one aspheric surface and a convex surface facing the object side; It comprises a stop, a positive power third lens having at least one aspheric surface, and a fourth lens having a shape having at least one aspheric surface and a concave surface facing the object side.
  • the wide-angle lens of the second invention is characterized in that, in the first invention, the following conditional expression (1) is satisfied. ⁇ 21 ⁇ Ri / BF ⁇ ⁇ 4 (1) However, BF: Back focus, Ri: radius of curvature of imaging surface, It is.
  • the wide-angle lens of the third invention satisfies the following conditional expression (2) in the second invention; ⁇ 5.5 ⁇ f12 / f34 ⁇ ⁇ 1.5 (2)
  • f12 the combined focal length of the first lens and the second lens (f12 ⁇ 0)
  • f34 the combined focal length of the third lens and the fourth lens (f34> 0)
  • a wide-angle lens according to a fourth invention is characterized in that, in any one of the first to third inventions, the following conditional expression (3) is satisfied. ⁇ 5.1 ⁇ (r4f ⁇ r4r) / (r4f + r4r) ⁇ 0.33 (3) However, r4f: radius of curvature of the object side surface of the fourth lens, r4r: radius of curvature of the image side surface of the fourth lens, It is.
  • a wide-angle lens according to a fifth aspect of the invention is characterized in that, in any one of the first to fourth aspects of the invention, the following conditional expressions (4) and (5) are satisfied.
  • ⁇ d2 Abbe number of the second lens
  • ⁇ d3 Abbe number of the third lens, It is.
  • An imaging optical device includes a wide-angle lens according to any one of the first to fifth aspects of the invention, an imaging element that converts an optical image formed on a curved imaging surface into an electrical signal, and , And the wide-angle lens is provided so that an optical image of a subject is formed on the imaging surface of the imaging device.
  • a digital apparatus including the imaging optical device according to the sixth aspect, to which at least one function of still image shooting and moving image shooting of a subject is added.
  • the digital device of the eighth invention is characterized in that, in the seventh invention, it is a digital camera, a surveillance camera, an endoscope, or a portable terminal with an image input function.
  • the imaging optical device according to the present invention in a digital device such as a digital camera, an endoscope, or a mobile phone, a high-performance image input function can be added to the digital device in a compact manner.
  • FIG. 6 is an aberration diagram of Example 1.
  • FIG. 6 is an aberration diagram of Example 2.
  • FIG. 6 is an aberration diagram of Example 3.
  • FIG. 6 is an aberration diagram of Example 4.
  • FIG. 6 is an aberration diagram of Example 5.
  • FIG. 3 is a schematic diagram illustrating a schematic configuration example of a digital device equipped with an imaging optical device. The figure which shows the relationship between image height Y 'and image height y'.
  • the wide-angle lens according to the present invention has a total angle of view of 120 ° or more, and in order from the object side, a first lens having negative power, a second lens having positive power, a diaphragm, and a third having positive power. It consists of a lens and a fourth lens (power: an amount defined by the reciprocal of the focal length).
  • Each of the first to fourth lenses has at least one aspheric surface
  • the second lens has a meniscus shape with a convex surface facing the object side
  • the fourth lens has a concave surface facing the object side. It has a shape.
  • an optical system is constructed on the premise of forming an image as a curved image surface in advance, it is possible to reduce the size and performance of the wide-angle lens compared to the image formation as a flat image surface.
  • a wide-angle, high-performance, and compact wide-angle lens suitable for digital input devices such as endoscopes can be obtained at low cost.
  • a wide-angle lens suitable for a curved imaging surface can be realized by adopting the above configuration.
  • the second lens is a positive meniscus lens having a convex surface facing the object side
  • the fourth lens is shaped to have a concave surface facing the object side (preferably a meniscus shape), thereby making it easier to curve the image surface. Furthermore, field curvature along the imaging surface can be obtained.
  • the relationship between the aberration correction and the aspherical shape is not determined unconditionally, but the aspherical surface of the first lens is effective for correcting the distortion, The aspherical surfaces of the second lens and the third lens are effective for correcting spherical aberration and field curvature, and the aspherical surface of the fourth lens is effective for correcting field curvature.
  • the imaging optical device is used in a digital device such as a digital camera, an endoscope, a mobile phone, or a portable information terminal, a high-performance image input function can be added to the digital device in a compact manner. It can contribute to the realization, cost reduction, high performance and high functionality. The conditions for achieving such effects in a well-balanced manner and achieving higher optical performance, downsizing, etc. will be described below.
  • Conditional expression (1) is used to achieve a further reduction in back focus and a reduction in size due to the curvature of the imaging surface while maintaining high optical performance, with an optimal balance between the back focus and the radius of curvature of the imaging surface. Defines a preferable range of conditions. If the upper limit of conditional expression (1) is exceeded, the curvature of the imaging surface becomes too tight (that is, the absolute value of the curvature is too large), making it difficult to form an image on the imaging surface. Specifically, the higher the image height, the farther the image plane is from the lens side, and the image plane is farther from the imaging surface.
  • conditional expression (1) If the lower limit of conditional expression (1) is not reached, the curvature of the image plane becomes too loose (that is, the absolute value of the curvature is too small), and the merit of curving the imaging surface is lost. Regarding the lower limit value of conditional expression (1), even if the imaging surface becomes flat beyond the lower limit, it is possible to achieve high performance and wide angle, but the lens system becomes large.
  • Conditional expression (2) defines a preferable range of conditions for optimizing back focus, optical performance, and size.
  • the combined focal length of the first lens and the second lens is negative, and the combined focal length of the third lens and the fourth lens is positive.
  • the image surface is appropriately curved, and a wider-angle image can be favorably formed. If the upper limit of conditional expression (2) is exceeded, the back focus becomes longer and larger, and further, it becomes difficult to obtain the effect that the image surface is curved along the imaging surface. Further, if the increase in size is to be suppressed, the image plane does not follow the imaging surface, and the deviation of the curvature becomes large. Further, if the lower limit of conditional expression (2) is not reached, it is difficult to ensure the back focus.
  • the lens system Since it is necessary to separate the first lens and the second lens from the image plane in order to ensure the back focus, the lens system becomes large as a result. If it tries to suppress the enlargement, the distortion will be worsened. Therefore, by satisfying the conditional expression (2), it is possible to appropriately curve the image surface, improve the distortion, and achieve a good balance between miniaturization and high performance.
  • conditional expression (2a) defines a more preferable condition range based on the above viewpoints, etc., among the condition ranges defined by the conditional expression (2). Therefore, the above effect can be further increased preferably by satisfying conditional expression (2a).
  • Conditional expression (3) ensures an appropriate ambient illuminance, and further defines a preferable condition range in terms of downsizing and manufacturing. Further, it is more preferable to satisfy the conditional expression (1) and the conditional expression (3). After setting the back focus so as to satisfy the conditional expression (1), the fourth condition is satisfied to satisfy the conditional expression (3). If the curvature of the lens surface is set, it is effective for peripheral illumination and miniaturization. If the upper limit of conditional expression (3) is exceeded, the distortion of the exit pupil increases at a high image height, which may lead to a decrease in ambient illuminance. If the lower limit of the conditional expression (3) is not reached, the incident angle with respect to the imaging surface becomes too close (that is, the incident angle becomes large).
  • conditional expression (3) it is possible to achieve a good balance between miniaturization and high performance.
  • conditional expression (3a) It is more desirable to satisfy the following conditional expression (3a). ⁇ 4.0 ⁇ (r4f ⁇ r4r) / (r4f + r4r) ⁇ 0 (3a)
  • This conditional expression (3a) defines a more preferable condition range based on the above viewpoints, etc., among the condition ranges defined by the conditional expression (3). Therefore, the above effect can be further increased preferably by satisfying conditional expression (3a).
  • Conditional expressions (4) and (5) define a preferable condition range for suppressing chromatic aberration.
  • the second and third lenses are both positive lenses, but the preferred range of the Abbe number is different because the roles change before and after the stop.
  • Regarding the second lens if the upper limit of conditional expression (4) is exceeded, there is a risk of deteriorating lateral chromatic aberration.
  • Regard the third lens if the lower limit of conditional expression (5) is not reached, there is a risk of deteriorating longitudinal chromatic aberration and lateral chromatic aberration.
  • the wide-angle lens according to the present invention is suitable for use as a wide-angle lens for a digital device with an image input function (for example, a portable terminal). By combining this with an image sensor or the like, an image of a subject is optically captured.
  • An imaging optical device that outputs an electrical signal can be configured.
  • the imaging optical device is an optical device that constitutes a main component of a camera used for still image shooting or moving image shooting of a subject, for example, a wide-angle lens that forms an optical image of an object in order from the object (i.e., subject) side, And an imaging device that converts an optical image formed by the wide-angle lens into an electrical signal.
  • the wide-angle lens having the above-described characteristic configuration is arranged so that an optical image of the subject is formed on the light receiving surface (that is, the imaging surface) of the imaging device.
  • An imaging optical device and a digital device (for example, a portable terminal) including the imaging optical device can be realized.
  • cameras examples include digital cameras, video cameras, surveillance cameras, in-vehicle cameras, video phone cameras, endoscopes, etc., and small computers such as personal computers and digital devices (for example, mobile phones and mobile computers).
  • Portable information device terminals Portable information device terminals
  • peripheral devices scanners, printers, etc.
  • a digital device with an image input function such as a mobile phone with a camera can be configured.
  • FIG. 11 is a schematic cross-sectional view showing a schematic configuration example of a digital device DU as an example of a digital device with an image input function.
  • the imaging optical device LU mounted in the digital device DU shown in FIG. 11 includes, in order from the object (that is, the subject) side, a wide-angle lens LN (AX: optical axis) that forms an optical image (image plane) IM of the object, An imaging element SR that converts an optical image IM formed on the imaging surface (light-receiving surface) SS by the wide-angle lens LN into an electrical signal.
  • AX optical axis
  • the image pickup optical device LU When a digital device DU with an image input function is configured with this image pickup optical device LU, the image pickup optical device LU is usually arranged inside the body, but when necessary to realize the camera function, a form as necessary is adopted. Is possible.
  • the unitized imaging optical device LU can be configured to be detachable or rotatable with respect to the main body of the digital device DU.
  • the image sensor SR for example, a solid-state image sensor such as a CCD (Charge Coupled Device) type image sensor having a plurality of pixels, a CMOS (Complementary Metal-Oxide Semiconductor) type image sensor, or the like is used.
  • the imaging surface SS which is a photoelectric conversion unit of the imaging element SR, has a curved shape with a concave surface facing the object side, and a wide-angle lens so that an optical image IM of the subject is formed on the curved imaging surface SS. LN is provided. Therefore, the optical image IM formed by the wide-angle lens LN is converted into an electrical signal by the imaging element SR.
  • the digital device DU includes a signal processing unit 1, a control unit 2, a memory 3, an operation unit 4, a display unit 5 and the like in addition to the imaging optical device LU.
  • the signal generated by the image sensor SR is subjected to predetermined digital image processing, image compression processing, and the like as required by the signal processing unit 1 and recorded as a digital video signal in the memory 3 (semiconductor memory, optical disk, etc.) In some cases, it is transmitted to other devices via a cable or converted into an infrared signal or the like (for example, a communication function of a mobile phone).
  • the control unit 2 is composed of a microcomputer, and controls functions such as a photographing function (still image photographing function, moving image photographing function, etc.), an image reproduction function, etc .; and a lens moving mechanism for focusing, etc.
  • the control unit 2 controls the imaging optical device LU so as to perform at least one of still image shooting and moving image shooting of a subject.
  • the display unit 5 includes a display such as a liquid crystal monitor, and displays an image using an image signal converted by the image sensor SR or image information recorded in the memory 3.
  • the operation unit 4 is a part including operation members such as an operation button (for example, a release button) and an operation dial (for example, a shooting mode dial), and transmits information input by the operator to the control unit 2.
  • the imaging lens LN includes, in order from the object side, a first lens L1 having negative power, a second lens L2 having a meniscus shape with a convex surface facing the object side, and positive power, and an aperture (aperture stop) ST. And a third lens L3 having a positive power and a fourth lens L4 having a shape with a concave surface facing the object side.
  • Each of the first to fourth lenses L1 to L4 has at least one aspheric surface. Has a surface.
  • an optical image IM is formed on the imaging surface SS of the imaging element SR by the imaging lens LN.
  • 1 to 5 show first to fifth embodiments of a wide-angle lens LN (single focus lens) in an optical section.
  • the wide-angle lens LN (FIG. 1) according to the first embodiment includes a first lens L1, a second lens L2, a third lens L3, and a fourth lens L4 in order from the object side. It is aspheric.
  • the first lens L1 is a biconcave negative lens
  • the second lens L2 is a positive meniscus lens convex toward the object side
  • the third lens L3 is biconvex.
  • the fourth lens L4 is a negative meniscus lens that is concave on the object side.
  • the wide-angle lens LN (FIG. 2) of the second embodiment includes, in order from the object side, a first lens L1, a second lens L2, a third lens L3, and a fourth lens L4. It is aspheric.
  • the first lens L1 is a biconcave negative lens
  • the second lens L2 is a positive meniscus lens convex toward the object side
  • the third lens L3 is biconvex.
  • the fourth lens L4 is a positive meniscus lens that is concave on the object side.
  • the wide-angle lens LN (FIG. 3) according to the third embodiment includes, in order from the object side, a first lens L1, a second lens L2, a third lens L3, and a fourth lens L4. It is aspheric.
  • the first lens L1 is a negative meniscus lens concave on the image side
  • the second lens L2 is a positive meniscus lens convex on the object side
  • the third lens L3 is It is a biconvex positive lens
  • the fourth lens L4 is a negative meniscus lens concave on the object side.
  • the wide-angle lens LN (FIG. 4) according to the fourth embodiment includes, in order from the object side, a first lens L1, a second lens L2, a third lens L3, and a fourth lens L4. It is aspheric.
  • the first lens L1 is a biconcave negative lens
  • the second lens L2 is a positive meniscus lens convex toward the object side
  • the third lens L3 is biconvex. It is a positive lens
  • the fourth lens L4 is a biconcave negative lens.
  • a wide-angle lens LN (FIG. 5) according to the fifth embodiment includes a first lens L1, a second lens L2, a third lens L3, and a fourth lens L4 in order from the object side. It is aspheric.
  • the first lens L1 is a biconcave negative lens
  • the second lens L2 is a positive meniscus lens convex toward the object side
  • the third lens L3 is biconvex.
  • the fourth lens L4 is a positive meniscus lens that is concave on the object side.
  • Examples 1 to 5 (EX1 to EX5) listed here are numerical examples corresponding to the first to fifth embodiments, respectively, and are optical configuration diagrams showing the first to fifth embodiments.
  • FIGS. 1 to 5 show the lens configurations of the corresponding Examples 1 to 5, respectively.
  • the focal length (f, mm) of the entire system F number (Fno.), Half angle of view ( ⁇ , °), maximum image height (Y ′, mm), image along R of imaging surface SS
  • the total lens length (TL, mm) the back focus (BF, mm), and the first lens L1, the second lens L2, and the third lens L3 as single lens data.
  • the focal lengths f1, f2, f3, f4 of the fourth lens L4 are shown.
  • Table 1 shows values corresponding to the conditional expressions of the respective examples.
  • the distance from the lens final surface to the paraxial image surface (paraxial) is expressed in terms of air length
  • the total lens length is the distance from the lens front surface to the lens final surface (paraxial). The back focus is added.
  • FIGS. 6 to 10 are aberration diagrams of Examples 1 to 5 (EX1 to 5) at an object distance at infinity (object distance: ⁇ ).
  • (A) is a spherical aberration diagram
  • (B) is an astigmatism diagram
  • (C) is a distortion diagram.
  • the spherical aberration diagram shows the amount of spherical aberration with respect to the d-line (wavelength 587.56 nm) indicated by the solid line, the amount of spherical aberration with respect to the C-line (wavelength 656.27 nm) indicated by the alternate long and short dash line, and the g-line (wavelength 435.83 nm) indicated by the broken line.
  • the amount of spherical aberration is represented by the amount of deviation (unit: mm) in the optical axis AX direction from the paraxial image plane, and the vertical axis is a value obtained by normalizing the height of incidence on the pupil by its maximum height (ie, (Relative pupil height).
  • the broken line Y represents the tangential image surface with respect to the d line
  • the solid line X represents the sagittal image surface with respect to the d line, expressed as a deviation amount (unit: mm) in the optical axis AX direction from the paraxial image surface.
  • the vertical axis represents the image height (IMG HT, unit: mm).
  • the final R-plane in FIGS. 1 to 5 indicates that the imaging surface SS (imaging position IM) is bent, and an aberration diagram (B) showing the curvature of field is drawn with respect to this curve. . That is, the vertical axis of the aberration diagram (B) represents the imaging surface SS (curved surface).
  • the horizontal axis represents distortion (unit:%) with respect to the d-line
  • the vertical axis represents image height (IMG HT, unit: mm).
  • the maximum value of the image height IMG HT corresponds to the maximum image height Y ′ on the image plane IM (half the diagonal length of the imaging surface SS of the imaging element SR).

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
PCT/JP2012/067081 2011-07-26 2012-07-04 広角レンズ，撮像光学装置及びデジタル機器 WO2013015082A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013525644A JP5644947B2 (ja) 2011-07-26 2012-07-04 広角レンズ，撮像光学装置及びデジタル機器
CN201280036947.7A CN103718079B (zh) 2011-07-26 2012-07-04 广角透镜、摄像光学装置及数码设备

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-162983 2011-07-26
JP2011162983 2011-07-26

Publications (1)

Publication Number Publication Date
WO2013015082A1 true WO2013015082A1 (ja) 2013-01-31

Family

ID=47600937

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/067081 WO2013015082A1 (ja) 2011-07-26 2012-07-04 広角レンズ，撮像光学装置及びデジタル機器

Country Status (3)

Country Link
JP (1) JP5644947B2 (zh)
CN (1) CN103718079B (zh)
WO (1) WO2013015082A1 (zh)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016008979A (ja) * 2014-06-20 2016-01-18 キヤノン株式会社 撮像装置
WO2016072336A1 (ja) * 2014-11-04 2016-05-12 コニカミノルタ株式会社 撮像装置及び撮像レンズ
JP2016194604A (ja) * 2015-03-31 2016-11-17 コニカミノルタ株式会社 広角レンズ、レンズユニット、及び撮像装置
WO2017060949A1 (ja) * 2015-10-05 2017-04-13 オリンパス株式会社 撮像装置及びそれを備えた光学装置
JPWO2017145208A1 (ja) * 2016-02-24 2018-08-16 パナソニックＩｐマネジメント株式会社 ズームレンズ系、ズームレンズ系を有する撮像装置及び撮像装置を有する車両
US10488633B2 (en) 2015-01-09 2019-11-26 Nikon Corporation Imaging lens and image capturing device
US11307385B2 (en) 2019-03-26 2022-04-19 Largan Precision Co., Ltd Optical imaging system, image capturing unit and electronic device
US11327277B2 (en) 2019-11-29 2022-05-10 Largan Precision Co., Ltd. Lens system and electronic device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106646826B (zh) * 2016-12-12 2019-04-30 雅安格纳斯光电科技有限公司 一种日夜共焦玻塑混合镜头
KR101873687B1 (ko) * 2017-07-31 2018-07-02 배재대학교 산학협력단 초소형 광각 렌즈 시스템
WO2019029153A1 (zh) 2017-08-07 2019-02-14 浙江舜宇光学有限公司 广角镜头及成像装置
CN111213080B (zh) * 2019-06-20 2021-07-23 深圳市汇顶科技股份有限公司 镜头、指纹识别装置和电子设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10246854A (ja) * 1997-03-05 1998-09-14 Fuji Photo Optical Co Ltd コンパクトな広角レンズ
JP2004356175A (ja) * 2003-05-27 2004-12-16 Matsushita Electric Ind Co Ltd 撮像装置
JP2005077706A (ja) * 2003-08-29 2005-03-24 Sankyo Seiki Mfg Co Ltd レンズユニット
JP2006184783A (ja) * 2004-12-28 2006-07-13 Fujinon Corp 撮像装置
JP2007279547A (ja) * 2006-04-11 2007-10-25 Olympus Corp 撮像光学系

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101503396B1 (ko) * 2009-02-16 2015-03-18 삼성테크윈 주식회사 렌즈계
JP2010276755A (ja) * 2009-05-27 2010-12-09 Konica Minolta Opto Inc 超広角アナモルフィックレンズ
JP5413738B2 (ja) * 2009-06-26 2014-02-12 コニカミノルタ株式会社 撮像レンズ、撮像装置及び携帯端末

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10246854A (ja) * 1997-03-05 1998-09-14 Fuji Photo Optical Co Ltd コンパクトな広角レンズ
JP2004356175A (ja) * 2003-05-27 2004-12-16 Matsushita Electric Ind Co Ltd 撮像装置
JP2005077706A (ja) * 2003-08-29 2005-03-24 Sankyo Seiki Mfg Co Ltd レンズユニット
JP2006184783A (ja) * 2004-12-28 2006-07-13 Fujinon Corp 撮像装置
JP2007279547A (ja) * 2006-04-11 2007-10-25 Olympus Corp 撮像光学系

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016008979A (ja) * 2014-06-20 2016-01-18 キヤノン株式会社 撮像装置
WO2016072336A1 (ja) * 2014-11-04 2016-05-12 コニカミノルタ株式会社 撮像装置及び撮像レンズ
US10488633B2 (en) 2015-01-09 2019-11-26 Nikon Corporation Imaging lens and image capturing device
JP2016194604A (ja) * 2015-03-31 2016-11-17 コニカミノルタ株式会社 広角レンズ、レンズユニット、及び撮像装置
WO2017060949A1 (ja) * 2015-10-05 2017-04-13 オリンパス株式会社 撮像装置及びそれを備えた光学装置
JPWO2017145208A1 (ja) * 2016-02-24 2018-08-16 パナソニックＩｐマネジメント株式会社 ズームレンズ系、ズームレンズ系を有する撮像装置及び撮像装置を有する車両
US10967794B2 (en) 2016-02-24 2021-04-06 Panasonic Intellectual Property Management Co., Ltd. Zoom lens system, imaging device having zoom lens system, and vehicle having imaging device
US11307385B2 (en) 2019-03-26 2022-04-19 Largan Precision Co., Ltd Optical imaging system, image capturing unit and electronic device
US11327277B2 (en) 2019-11-29 2022-05-10 Largan Precision Co., Ltd. Lens system and electronic device
US11640046B2 (en) 2019-11-29 2023-05-02 Largan Precision Co., Ltd. Lens system and electronic device
US11940598B2 (en) 2019-11-29 2024-03-26 Largan Precision Co., Ltd. Lens system and electronic device

Also Published As

Publication number Publication date
JPWO2013015082A1 (ja) 2015-02-23
JP5644947B2 (ja) 2014-12-24
CN103718079A (zh) 2014-04-09
CN103718079B (zh) 2016-01-20

Similar Documents

Publication Publication Date Title
JP5585663B2 (ja) 広角レンズ，撮像光学装置及びデジタル機器
JP5644947B2 (ja) 広角レンズ，撮像光学装置及びデジタル機器
JP5735712B2 (ja) 撮像レンズおよび撮像レンズを備えた撮像装置
JP5741395B2 (ja) 撮像装置
JP5399175B2 (ja) 広角レンズ，撮像光学装置及びデジタル機器
JP5601598B2 (ja) 内焦式大口径中望遠レンズ，撮像光学装置及びデジタル機器
JP5043710B2 (ja) 撮像レンズおよび撮像装置
WO2014013677A1 (ja) 撮像レンズおよび撮像レンズを備えた撮像装置
US20140071543A1 (en) Imaging lens and imaging apparatus provided with the imaging lens
WO2013058111A1 (ja) 撮像レンズ
WO2012121014A1 (ja) ズームレンズ，撮像光学装置及びデジタル機器
WO2013175783A1 (ja) 撮像レンズおよび撮像レンズを備えた撮像装置
WO2013065391A1 (ja) 変倍光学系
JP6191628B2 (ja) 撮影光学系，撮像光学装置及びデジタル機器
CN111344617B (zh) 拍摄镜头、拍摄光学装置以及数码设备
JP2014123097A (ja) 撮像レンズ
JP2006293042A (ja) 撮像光学系及びそれを用いた撮像装置
JP2013120193A (ja) 撮像レンズ
JP2014142499A (ja) 撮像レンズ，撮像光学装置及びデジタル機器
JP2005316010A (ja) 撮像レンズ
US9261683B2 (en) Zoom lens, imaging optical apparatus, and digital device
JP5829751B2 (ja) ズームレンズ，撮像光学装置及びデジタル機器
JP6222116B2 (ja) 撮影光学系，撮像光学装置及びデジタル機器
JP6512955B2 (ja) 広角レンズ，撮像光学装置及びデジタル機器
JPWO2013018321A1 (ja) 撮像レンズおよび撮像装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12817782

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2013525644

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12817782

Country of ref document: EP

Kind code of ref document: A1