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WO2021020760A1 - Système optique de lentilles - Google Patents

Système optique de lentilles Download PDF

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Publication number
WO2021020760A1
WO2021020760A1 PCT/KR2020/008956 KR2020008956W WO2021020760A1 WO 2021020760 A1 WO2021020760 A1 WO 2021020760A1 KR 2020008956 W KR2020008956 W KR 2020008956W WO 2021020760 A1 WO2021020760 A1 WO 2021020760A1
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WO
WIPO (PCT)
Prior art keywords
lens
optical system
lens optical
conditional expression
focal length
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.)
Ceased
Application number
PCT/KR2020/008956
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English (en)
Korean (ko)
Inventor
정길수
김유정
정은정
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
J2c Co ltd
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J2c Co ltd
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 J2c Co ltd filed Critical J2c Co ltd
Publication of WO2021020760A1 publication Critical patent/WO2021020760A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • 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
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms

Definitions

  • the present invention relates to a lens optical system, and more particularly, to a lens optical system that provides high resolution and wide viewing angle while having a short overall length.
  • biometric recognition technology to verify the identity of an individual using human physical characteristics
  • the scope of biometric recognition technology has conventionally been mainly fingerprint recognition.
  • the scope is gradually expanding, such as iris recognition, voice recognition, and vein recognition.
  • the iris surrounding the pupil of the eye has distinct individual characteristics so that even identical twins have completely different patterns, and is known to have much better recognition accuracy than fingerprints, so the number of cases of applying iris recognition technology is increasing significantly.
  • the process of acquiring an image of the iris using an optical system the process of generating an iris code by extracting features from the image data of the iris, and the process of checking whether the generated iris code is matched with the stored iris code. It goes through the back.
  • a small photographic lens for wide viewing angle iris recognition that enables the implementation of a high-resolution camera by combining with a small and high-resolution image sensor can be applied to mobile phones, portable terminals, and digital cameras because it is small and has high resolution.
  • the viewing angle is wide, it is necessary to stably acquire an iris image even at a distance of about 300 mm that the user can conveniently photograph.
  • Korean Patent Registration No. 10-1558139 discloses a photographing lens optical system used in a vehicle camera.
  • An object of the present invention is to provide a compact, high-resolution and wide-view lens optical system.
  • an object of the present invention is to implement a high-resolution wide viewing angle camera combined with a small, high-resolution image sensor having a small pixel size.
  • an object of the present invention is to provide a lens optical system for iris recognition that has a very short overall length compared to a focal length compared to the prior art to stably acquire an iris image, and to apply it to a small photographic lens for iris recognition.
  • the present invention not only can be mounted on portable electronic devices such as mobile phones, smart phones, tablet PCs, notebook computers, etc., but also for wide viewing angle iris recognition capable of stably obtaining an image of the iris even under normal use conditions of these devices. It aims to provide an optical system.
  • a lens optical system for achieving the above object is a lens optical system in which lenses are sequentially arranged from an object side to an image side, comprising: a first lens having a positive refractive power and having an object side convex toward the object side; A second lens having positive or negative refractive power; A third lens having a positive or negative refractive power and a fourth lens having a negative refractive power and having an object side concave toward the object side may be included, and the following conditional expression may be satisfied.
  • f1 is a focal length of the first lens
  • f is a focal length of the lens optical system
  • At least one of the first to fourth lenses may have an aspherical lens surface.
  • At least one of the first to fourth lenses may be formed of a plastic material.
  • the lens optical system may satisfy the following conditional expression.
  • f4 is a focal length of the fourth lens
  • f is a focal length of the lens optical system
  • the overall length of the lens optical system (OVERALL LENGTH) may be smaller than the focal length of the lens optical system.
  • a lens optical system for achieving the above object is a lens optical system in which lenses are sequentially arranged from an object side to an image side, and has a positive refractive power, and the object side surface is convex toward the object side.
  • a third lens having a positive or negative refractive power and a fourth lens having a negative refractive power and having an object side concave toward the object side may be included, and the following conditional expression may be satisfied.
  • f4 is a focal length of the fourth lens
  • f is a focal length of the lens optical system
  • At least one of the first to fourth lenses may have an aspherical lens surface.
  • At least one of the first to fourth lenses may be formed of a plastic material.
  • the lens optical system may satisfy the following conditional expression.
  • f1 is a focal length of the first lens
  • f is a focal length of the lens optical system
  • the overall length of the lens optical system (OVERALL LENGTH) may be smaller than the focal length of the lens optical system.
  • the present invention can provide a compact, high-resolution and wide-view lens optical system.
  • the present invention can implement a high-resolution wide viewing angle camera combined with a small, high-resolution image sensor having a small pixel size.
  • the present invention provides a lens optical system for iris recognition that has a very short overall length compared to a focal length compared to the prior art to stably acquire an iris image and can be applied to a small photographing lens for iris recognition.
  • the present invention not only can be mounted on portable electronic devices such as mobile phones, smart phones, tablet PCs, notebook computers, etc., but also for wide viewing angle iris recognition capable of stably obtaining an image of the iris even under normal use conditions of these devices.
  • An optical system can be provided.
  • FIG. 1 is a view showing a lens optical system according to an embodiment of the present invention.
  • FIG. 2 is a diagram showing a lens optical system corresponding to a lower limit of a conditional expression of a first lens according to an embodiment of the present invention.
  • FIG. 3 is a view showing aberration of a lens optical system corresponding to a lower limit of a conditional expression of a first lens according to an embodiment of the present invention.
  • FIG. 4 is a diagram illustrating a lens optical system corresponding to an upper limit of a conditional expression of a first lens according to an embodiment of the present invention.
  • FIG. 5 is a diagram showing aberration of a lens optical system corresponding to an upper limit of a conditional expression of a first lens according to an embodiment of the present invention.
  • FIG. 6 is a view showing a lens optical system corresponding to the lower limit of the conditional expression of a fourth lens according to an embodiment of the present invention.
  • FIG. 7 is a diagram showing aberration of a lens optical system corresponding to a lower limit of a conditional expression of a fourth lens according to an embodiment of the present invention.
  • FIG. 8 is a diagram showing a lens optical system corresponding to an upper limit of a conditional expression of a fourth lens according to an embodiment of the present invention.
  • FIG. 9 is a view showing aberration of a lens optical system corresponding to an upper limit of a conditional expression of a fourth lens according to an embodiment of the present invention.
  • FIG. 1 is a view showing a lens optical system according to an embodiment of the present invention.
  • a lens optical system includes a first lens 10, a second lens 20, a third lens 30, and a fourth lens 40.
  • lenses may be sequentially arranged from the object side to the image side.
  • the first lens 10 has positive refractive power, and the object side surface may be convex toward the object side.
  • the second lens 20 may have positive or negative refractive power.
  • the third lens 30 may have positive or negative refractive power.
  • the fourth lens 40 may have negative refractive power, and the object side surface may be concave toward the object side.
  • the aperture 70 may be positioned between the third lens 30 and the fourth lens 40.
  • An image sensor may be additionally included on the upper surface 60.
  • the dummy glass 50 may be positioned between the fourth lens 40 and the upper surface 60.
  • the dummy glass 50 may correspond to the filter member.
  • the filter member may include filter functions such as an infrared cut filter and a day/night filter.
  • At least one of the first to fourth lenses 10 to 40 may have a lens surface formed as an aspherical surface. All of the first to fourth lenses 10 to 40 may have aspherical lens surfaces, but are not limited thereto.
  • At this time, at least one of the first to fourth lenses 10 to 40 may be formed of a plastic material. All of the first to fourth lenses 10 to 40 may be formed of a plastic material, but are not limited thereto.
  • a lens formed as an aspherical surface may satisfy the aspherical surface equation of Equation 1 above.
  • z denotes the distance in the direction of the optical axis from the vertex of the lens
  • y denotes the distance in the direction perpendicular to the optical axis.
  • R represents the radius of curvature at the apex of the lens
  • K represents the conic constant.
  • A2 to A12 respectively represent aspheric coefficients.
  • the first lens 10 may satisfy the conditional expression of the first lens of Equation 2.
  • f1 is a focal length of the first lens 10
  • f is a focal length of the lens optical system.
  • the condition of the first lens 10 when the condition of the first lens 10 is out of the condition, the fluctuation of the image surface curvature increases, and the manufacturing tolerance of the single lens unit and the assembly tolerance of the lens assembly to satisfy the resolution. It gets tricky.
  • the fourth lens 40 may satisfy the conditional expression of the fourth lens of Equation 3.
  • f4 is a focal length of the fourth lens
  • f is a focal length of the lens optical system
  • the condition of the fourth lens 40 when the condition of the fourth lens 40 is out of the condition, the fluctuation of the image surface curvature increases, and in order to satisfy the resolution, the manufacturing tolerance of the lens unit and the assembly tolerance of the lens assembly It gets tricky.
  • the lens optical system according to an embodiment of the present invention can prevent the fluctuation of the image surface curvature pointed out as a problem above if the condition of the first lens 10 or the condition of the fourth lens 40 is satisfied.
  • the tolerance and the assembly tolerance of the lens assembly can be facilitated.
  • the overall length of the lens optical system is the focal length of the lens optical system.
  • a lens optical system with high magnification and high resolution can be provided while being able to design smaller.
  • an iris image corresponding to 10 to 11 mm can be stably obtained even at a distance of about 300 mm that the user can conveniently photograph.
  • the convenience of use of the optical system for recognition lenses can be greatly improved.
  • the lens optical system according to an embodiment of the present invention may satisfy such that an image formed on the image sensor of the camera module of the lens optical system for iris recognition is 200 pixels or more in the vertical direction.
  • Lens data of the lens optical system according to an embodiment of the present invention may be represented as shown in Table 1.
  • f is the focal length
  • D is the thickness (mm)
  • Ratio is the value obtained by dividing the focal length of the lens by the focal length of the lens optical system
  • OAL OverAll Length
  • EFL Effective Focal Length
  • FNO F-number
  • f-value focal length of the lens / effective aperture diameter
  • the focal length ratio of the fourth lens 40 is -0.987, and the conditional expression of the fourth lens 40 is -1.25 ⁇
  • FIG. 2 is a diagram showing a lens optical system corresponding to a lower limit of a conditional expression of a first lens according to an embodiment of the present invention.
  • 3 is a view showing aberration of a lens optical system corresponding to a lower limit of a conditional expression of a first lens according to an embodiment of the present invention.
  • the aberration of the lens optical system corresponding to the lower limit of the conditional expression of the first lens 10 according to an embodiment of the present invention may be represented using lens data shown in Tables 2 and 3.
  • f is the focal length
  • D is the thickness (mm)
  • Ratio is the value obtained by dividing the focal length of the lens by the focal length of the lens optical system
  • OAL OverAll Length
  • EFL Effective Focal Length
  • FNO F-number
  • f-value focal length of the lens / effective aperture diameter
  • the focal length ratio of the fourth lens 40 is -0.960, and the conditional expression of the fourth lens 40 is -1.25 ⁇
  • each surface (s) can be expressed as follows: s-1: object surface
  • the * mark after the surface number indicates that the surface is aspherical.
  • R is a radius of curvature
  • D is a thickness
  • N is a material of the lens (APEL is an example of a plastic material
  • BSC7 is an example of a glass material
  • ND is a refractive index of the lens
  • VD is an Abbe number.
  • Aspheric coefficients of the lenses for calculating the aberration of the lens optical system corresponding to the lower limit of the conditional expression of the first lens according to the embodiment of the present invention shown in FIG. 3 may be expressed as shown in Table 4.
  • FIGS. 4 and 5 are diagram illustrating a lens optical system corresponding to an upper limit of a conditional expression of a first lens according to an embodiment of the present invention.
  • 5 is a view showing aberration of the lens optical system corresponding to the upper limit of the conditional expression of the first lens according to an embodiment of the present invention.
  • a first lens ( The aberration of the lens optical system corresponding to the upper limit of the conditional expression of 10) can be expressed using lens data shown in Tables 5 and 6.
  • f is the focal length
  • D is the thickness (mm)
  • Ratio is the value obtained by dividing the focal length of the lens by the focal length of the lens optical system
  • OAL OverAll Length
  • EFL Effective Focal Length
  • FNO F-number
  • f-value focal length of the lens / effective aperture diameter
  • the focal length ratio of the fourth lens 40 is -0.835, and the conditional expression of the fourth lens 40 is -1.25 ⁇
  • each surface (s) can be expressed as follows: s-1: object surface
  • the * mark after the surface number indicates that the surface is aspherical.
  • R is a radius of curvature
  • D is a thickness
  • N is a material of the lens (APEL is an example of a plastic material
  • BSC7 is an example of a glass material
  • ND is a refractive index of the lens
  • VD is an Abbe number.
  • Aspheric coefficients of the lenses for calculating the aberration of the lens optical system corresponding to the upper limit of the conditional expression of the first lens according to the embodiment of the present invention shown in FIG. 5 may be expressed as shown in Table 7.
  • FIGS. 6 and 7 are views showing a lens optical system corresponding to the lower limit of the conditional expression of a fourth lens according to an embodiment of the present invention.
  • 7 is a view showing aberration of a lens optical system corresponding to the lower limit of the conditional expression of a fourth lens according to an embodiment of the present invention.
  • a fourth lens ( The aberration of the lens optical system corresponding to the lower limit of the conditional expression of 10) can be expressed by using lens data shown in Tables 8 and 9.
  • f is the focal length
  • D is the thickness (mm)
  • Ratio is the value obtained by dividing the focal length of the lens by the focal length of the lens optical system
  • OAL OverAll Length
  • EFL Effective Focal Length
  • FNO F-number
  • f-value focal length of the lens / effective aperture diameter
  • the focal length ratio of the fourth lens 40 is -1.231, and the conditional expression of the fourth lens 40 is -1.25 ⁇
  • each surface (s) can be expressed as follows: s-1: object surface
  • the * mark after the surface number indicates that the surface is aspherical.
  • R is a radius of curvature
  • D is a thickness
  • N is a material of the lens (APEL is an example of a plastic material
  • BSC7 is an example of a glass material
  • ND is a refractive index of the lens
  • VD is an Abbe number.
  • Aspheric coefficients of the lenses for calculating the aberration of the lens optical system corresponding to the lower limit of the conditional expression of the fourth lens according to the embodiment of the present invention shown in FIG. 7 may be expressed as shown in Table 10.
  • FIGS. 8 and 9 are diagram showing a lens optical system corresponding to an upper limit of a conditional expression of a fourth lens according to an embodiment of the present invention.
  • 9 is a view showing aberration of a lens optical system corresponding to the upper limit of the conditional expression of a fourth lens according to an embodiment of the present invention.
  • a fourth lens ( The aberration of the lens optical system corresponding to the upper limit of the conditional expression of 10) can be expressed using lens data shown in Tables 11 and 12.
  • f is the focal length
  • D is the thickness (mm)
  • Ratio is the value obtained by dividing the focal length of the lens by the focal length of the lens optical system
  • OAL OverAll Length
  • EFL Effective Focal Length
  • FNO F-number
  • f-value focal length of the lens / effective aperture diameter
  • the focal length ratio of the fourth lens 40 is -0.758, and the conditional expression of the fourth lens 40 is -1.25 ⁇
  • each surface (s) can be expressed as follows: s-1: object surface
  • the * mark after the surface number indicates that the surface is aspherical.
  • R is a radius of curvature
  • D is a thickness
  • N is a material of the lens (APEL is an example of a plastic material
  • BSC7 is an example of a glass material
  • ND is a refractive index of the lens
  • VD is an Abbe number.
  • Aspheric coefficients of the lenses for calculating the aberration of the lens optical system corresponding to the lower limit of the conditional expression of the fourth lens according to the embodiment of the present invention shown in FIG. 9 may be expressed as shown in Table 13.
  • the lens optical system according to an embodiment of the present invention satisfies the conditional expression of the first lens 10 or the conditional expression of the fourth lens 40, and provides high resolution and wide viewing angle using the lens data and aspherical surface coefficient.
  • the lens optical system according to an embodiment of the present invention is not limited to the configuration and method of the embodiments described as described above, but the above embodiments can be variously modified. All or part of each of the embodiments may be selectively combined and configured.
  • a high-resolution wide viewing angle camera combined with a small, high-resolution image sensor having a small pixel size and a small high-resolution image provides a small, high-resolution, and wide-viewing angle, so that the overall length compared to the conventional
  • a short iris recognition lens optical system to stably acquire iris images, apply to small iris recognition lenses, and mount to portable electronic devices such as mobile phones, smartphones, tablet PCs, laptops, etc. Since it is possible to provide an optical system for wide viewing angle iris recognition capable of stably obtaining an image of an iris even under normal use conditions of a device, there is a possibility of industrial use.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

L'invention concerne un système optique de lentilles. Selon un mode de réalisation de la présente invention, un système optique de lentilles, qui a des lentilles disposées de manière successice d'un côté objet à un côté image, peut comprendre : une première lentille ayant une réfringence positive et ayant une surface côté objet convexe en direction du côté objet; une seconde lentille ayant une réfringence positive ou négative; une troisième lentille ayant une réfringence positive ou négative ; et une quatrième lentille ayant une réfringence négative et ayant une surface côté objet concave en direction du côté objet.
PCT/KR2020/008956 2019-08-01 2020-07-08 Système optique de lentilles Ceased WO2021020760A1 (fr)

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KR1020190093910A KR102388071B1 (ko) 2019-08-01 2019-08-01 렌즈 광학계
KR10-2019-0093910 2019-08-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113960758A (zh) * 2021-11-04 2022-01-21 业成科技（成都）有限公司 光学成像系统、取像装置及电子设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023229160A1 (fr) * 2022-05-27 2023-11-30 삼성전자 주식회사 Module de caméra comprenant un élément de réfraction et dispositif électronique comprenant un élément de réfraction
EP4489418A4 (fr) 2022-05-27 2025-06-18 Samsung Electronics Co., Ltd Module de caméra comprenant un élément de réfraction et dispositif électronique comprenant un élément de réfraction

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990009759A (ko) * 1997-07-11 1999-02-05 이대원 광각 렌즈
JP2008046526A (ja) * 2006-08-21 2008-02-28 Konica Minolta Opto Inc 撮像レンズ、撮像装置及び携帯端末
KR20080095497A (ko) * 2007-04-24 2008-10-29 삼성테크윈 주식회사 촬영렌즈
CN106802477A (zh) * 2017-04-12 2017-06-06 浙江舜宇光学有限公司 摄像镜头光学成像系统
US20170235099A1 (en) * 2016-02-12 2017-08-17 Newmax Technology Co., Ltd. Four-piece infrared single wavelength lens system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5797007B2 (ja) * 2010-05-17 2015-10-21 カンタツ株式会社 固体撮像素子用の撮像レンズ
WO2018188236A1 (fr) * 2017-04-12 2018-10-18 浙江舜宇光学有限公司 Système d'imagerie optique de lentille de caméra

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990009759A (ko) * 1997-07-11 1999-02-05 이대원 광각 렌즈
JP2008046526A (ja) * 2006-08-21 2008-02-28 Konica Minolta Opto Inc 撮像レンズ、撮像装置及び携帯端末
KR20080095497A (ko) * 2007-04-24 2008-10-29 삼성테크윈 주식회사 촬영렌즈
US20170235099A1 (en) * 2016-02-12 2017-08-17 Newmax Technology Co., Ltd. Four-piece infrared single wavelength lens system
CN106802477A (zh) * 2017-04-12 2017-06-06 浙江舜宇光学有限公司 摄像镜头光学成像系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113960758A (zh) * 2021-11-04 2022-01-21 业成科技（成都）有限公司 光学成像系统、取像装置及电子设备

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