Lens groups and optical lenses for optical lenses

An optical lens and lens group technology, applied in the field of imaging lenses, can solve the problems of non-conformity, large processing tolerance, difficult lens processing, etc., and achieve the effect of ensuring imaging effect, small processing tolerance, and high resolution

Active Publication Date: 2022-04-15
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The lens in the optical lens can change the optical characteristics of the optical system by changing its shape and refractive index, but in the process of lens optimization, the surface shape of the lens often changes greatly, which makes the lens difficult to process or the processing tolerance is too large It does not meet the requirements, and it is easy to generate stray light during the processing, which will lead to the deterioration of the photographic effect of the optical lens

Method used

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  • Lens groups and optical lenses for optical lenses
  • Lens groups and optical lenses for optical lenses
  • Lens groups and optical lenses for optical lenses

Examples

Experimental program
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Embodiment

[0074] like figure 1 As shown, the lens module of this embodiment includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L1 and a fifth lens arranged coaxially along the optical axis of the optical lens from the object side to the image side. Lens L5, sixth lens L6 and filter F1. In this embodiment, the specific parameters and settings of the optical lens are as follows:

[0075] The first lens L1 is a positive lens, the first lens object side S11 and the first lens image side S12 are both spherical, and the first lens object side S11 is a convex surface, the first lens image side S12 is a concave surface, the light of the first lens L1 The focal power ψ1 is 0.77, the thickness of the first lens L1 is 0.43 mm, and the first lens L1 is made of sapphire glass with a refractive index of 1.76 and an Abbe number of 32.

[0076] The second lens L2 is a negative lens, the second lens object side S21 and the second lens image side S22 are both as...

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Abstract

The present disclosure relates to a lens group for an optical lens and an optical lens. The lens group includes a first lens, a second lens, and a third lens arranged coaxially in sequence from the object side to the image side along the optical axis of the optical lens. , the fourth lens, the fifth lens and the sixth lens, the fourth lens is a negative lens, the object side of the fourth lens is concave, the object side and the image side are both aspherical and the surface sagittal is not greater than 0.3mm; the fifth The lens is a positive lens, the image side of the fifth lens is convex, its object side and image side are both aspherical, and the surface sagittal is not more than 0.4mm; the sixth lens is a negative lens, its object side is aspherical, and its image side It is concave and aspherical, and its image side has at least one inflection point, and the surface sagittal of its object side and image side is not greater than 0.5mm. Through the above technical solution, the lens used in the lens group of the optical lens provided by the present disclosure is easy to process.

Description

technical field [0001] The present disclosure relates to the technical field of imaging lenses, and in particular, relates to a lens group for an optical lens and an optical lens. Background technique [0002] With the rapid development of smart phone technology, the functions of mobile phones are not limited to traditional communication, and its camera function has also been widely used. Therefore, people's requirements for optical lenses are also constantly improving. High resolution, low aberration, volume Optical lenses that are small and lightweight tend to be more attractive to consumers. [0003] The lens in the optical lens can change the optical characteristics of the optical system by changing its shape and refractive index, but in the process of lens optimization, the surface shape of the lens often changes greatly, which makes the lens difficult to process or the processing tolerance is too large It does not meet the requirements, and it is easy to generate stra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B13/00G02B13/18
CPCG02B13/0045
Inventor 贾燕蒋金波孙亚轩宋新新
Owner BYD CO LTD
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