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a panoramic lens

A panoramic lens and lens technology, applied in the field of panoramic lenses, can solve the problems of poor environmental adaptability of panoramic lenses, and achieve the effect of improving environmental adaptability

Active Publication Date: 2021-07-13
GOERTEK OPTICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is to provide a panoramic lens, aiming to solve the problem of poor environmental adaptability of the combined panoramic lens made of plastic lenses and glass lenses

Method used

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0029] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

[0030] In addition, the ...

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Abstract

The present invention provides a panoramic lens, comprising a first lens, an astigmatism assembly, a diaphragm, a second lens, a condensing assembly and a third lens arranged in sequence, the focus offsets of the astigmatism assembly and the condensing assembly are offset from each other Compensation, the first lens and the second lens are made of glass material, and the light on the object side passes through the first lens, the light-condensing component, the aperture, the second lens, the astigmatism component and the The third lens is transmitted to the image side for imaging. The panorama lens provided by the present invention can ensure the overall imaging quality of the lens at low cost through compensation of focus offset between the condensing component and the astigmatism component, and greatly improves the environmental adaptability of the panorama lens.

Description

technical field [0001] The invention relates to the field of optical devices, in particular to a panoramic lens. Background technique [0002] Panoramic lenses are widely used in surveillance and vehicle systems. With the continuous improvement of application requirements, there is an increasing demand for small-volume and low-cost lenses. Panoramic lenses are extremely sensitive to the environment. In the prior art, panoramic lenses capable of clear imaging in high-temperature or low-temperature environments are all glass lenses, which are expensive and have a large number of lenses, which is not conducive to miniaturization; plastic lenses are low in cost, but The environmental adaptability is poor, and the imaging quality in high temperature or low temperature environment cannot meet the requirements of use; the combination of plastic lenses and glass lenses can improve environmental adaptability while ensuring lower production costs, but the existing combination lenses a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B13/00G02B13/06
CPCG02B13/0055G02B13/06
Inventor 史柴源
Owner GOERTEK OPTICAL TECH CO LTD