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1.6 mm ultra-wide-angle six-piece optical lens

An optical lens, six-piece technology, applied in the field of lenses, can solve problems such as poor adaptability and insufficient field of view, and achieve the effects of low cost, low tolerance sensitivity, and easy assembly.

Active Publication Date: 2022-02-11
FUJIAN FORECAM OPTICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the society still has widespread doubts about the reliability of ADAS products. Insufficient field of view and poor adaptability to different environments are common problems in optical systems in current products.

Method used

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  • 1.6 mm ultra-wide-angle six-piece optical lens
  • 1.6 mm ultra-wide-angle six-piece optical lens
  • 1.6 mm ultra-wide-angle six-piece optical lens

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Embodiment Construction

[0022] It should be pointed out that the following detailed description is exemplary and is intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0023] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0024] like Figure 1~4 As shown, a 1.6mm super wide-angle six-piece optical lens is characterized in that: ...

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Abstract

The invention relates to a 1.6 mm ultra-wide-angle six-piece optical lens. An optical system of the lens comprises a gluing group formed by tightly connecting a meniscus negative lens L1, a meniscus negative lens L2, a biconvex positive lens L3, a diaphragm C, a meniscus negative lens L4, a meniscus positive lens L5 and a biconvex positive lens L6 which are sequentially arranged along an incident light path. According to the lens, a larger field angle is ensured, a larger clear aperture is obtained, sufficient light incoming amount of a system is ensured, the lens can adapt to various complex environments and has more excellent performance in dark light and night environments, and through reasonable matching of glass materials and distribution of focal power of the lens, the axial chromatic aberration and the transverse chromatic aberration of the whole optical system are well corrected, the high-level aberration of the whole optical system is effectively corrected through the reasonable surface type design, meanwhile, the light incident angle of each mirror surface is small, and the overall imaging quality of the system is good.

Description

technical field [0001] The invention relates to the lens field, in particular to a 1.6mm super wide-angle six-piece optical lens. Background technique [0002] "Assisted driving" or even "autonomous driving" has become the main development direction of the automotive industry in recent years, and the advanced driver assistance system (ADAS) is the core of the above technology. Relying on a large number of hardware devices such as cameras and sensors, ADAS can theoretically realize the identification, detection and tracking of the car's external environment, helping drivers avoid undetectable traffic safety risks. However, the society still has widespread doubts about the reliability of ADAS products. Insufficient field of view and poor adaptability to different environments are common problems in optical systems in current products. Therefore, the current market urgently needs an optical system with a large field of view and can cope with complex environmental conditions to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/06G02B13/00G02B13/18
CPCG02B13/06G02B13/0015G02B13/0045
Inventor 许熠宸罗杰林文斌薛政云戴敏林
Owner FUJIAN FORECAM OPTICS CO LTD
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