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Optical image capturing system

An optical imaging system and light technology, applied in optics, optical components, instruments, etc., can solve the problems of impact, miniaturization, etc., and achieve good imaging quality

Pending Publication Date: 2020-12-04
ZHEJIANG SUNNY OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, when the focal length of the system increases, the total optical length will also increase, which will have an adverse impact on the miniaturization of smart phones and other miniaturized electronic products.

Method used

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Embodiment 1

[0066] Refer to the following Figure 1A to Figure 2D An optical imaging system according to Embodiment 1 of the present application is described. Figure 1A A schematic structural diagram of the optical imaging system on the Y-Z plane according to Embodiment 1 of the present application is shown. Figure 1B A schematic structural diagram of the optical imaging system on the Y-X plane according to Embodiment 1 of the present application is shown.

[0067] Such as Figure 1A with Figure 1B As shown, the optical imaging system sequentially includes from the object side along the first direction Z: a ​​stop STO, a first lens E1 , a second lens E2 , a third lens E3 and a first prism P1 . The incident light passes through the stop STO, the first lens E1 , the second lens E2 and the third lens E3 from the object side in order from the first direction Z to the first prism P1 . The optical imaging system sequentially includes a first prism P1 and a second prism P2 along the second ...

Embodiment 2

[0080] Refer to the following Figure 3A to Figure 4D An optical imaging system according to Embodiment 2 of the present application is described. In this embodiment and the following embodiments, for the sake of brevity, descriptions similar to those in Embodiment 1 will be omitted. Figure 3A A schematic structural diagram of the optical imaging system on the Y-Z plane according to Embodiment 2 of the present application is shown. Figure 3B A schematic structural diagram of the optical imaging system on the Y-X plane according to Embodiment 2 of the present application is shown.

[0081] Such as Figure 3A with Figure 3B As shown, the optical imaging system sequentially includes from the object side along the first direction Z: a ​​stop STO, a first lens E1 , a second lens E2 , a third lens E3 and a first prism P1 . The incident light passes through the stop STO, the first lens E1 , the second lens E2 and the third lens E3 from the object side in order from the first d...

Embodiment 3

[0092] Refer to the following Figure 5A to Figure 6D An optical imaging system according to Embodiment 3 of the present application is described. Figure 5A A schematic structural view of the optical imaging system on the Y-Z plane according to Embodiment 3 of the present application is shown. Figure 5B A schematic structural diagram of the optical imaging system on the Y-X plane according to Embodiment 3 of the present application is shown.

[0093] Such as Figure 5A with Figure 5B As shown, the optical imaging system sequentially includes from the object side along the first direction Z: a ​​stop STO, a first lens E1 , a second lens E2 , a third lens E3 and a first prism P1 . The incident light passes through the stop STO, the first lens E1 , the second lens E2 and the third lens E3 from the object side in order from the first direction Z to the first prism P1 . The optical imaging system sequentially includes a first prism P1 and a second prism P2 along the second d...

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Abstract

The application discloses an optical imaging system, which comprises a first lens, a second lens, a third lens, a first prism, and a second prism which are sequentially arranged from an object side along a first direction. The first prism reflects light incident to the first prism along the first direction to be emitted from the first prism along a second direction; the second prism is arranged ina second direction and reflects light emitted from the first prism and incident to the second prism in the second direction into light emitted from the second prism in a third direction, and the first direction, the second direction and the third direction are perpendicular to one another; and the total effective focal length f of the optical imaging system meets the condition that f is larger than 20 mm.

Description

technical field [0001] The present application relates to the field of optical elements, in particular, to an optical imaging system. Background technique [0002] With the improvement of the imaging function requirements of smart phones and other miniaturized electronic product terminals, the hardware conditions of electrically coupled devices or complementary metal oxide semiconductor image sensors and the optical performance of imaging lenses have also been raised in the market. higher requirements. At present, miniaturized electronic product terminals such as smartphones tend to pursue a higher optical zoom factor. When the optical zoom factor value increases, the magnification of the optical imaging system will increase, making it more clearly visible when shooting distant objects. [0003] However, when the focal length of the system increases, the total optical length will also increase accordingly, which will have an adverse effect on the miniaturization of miniatu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00G02B13/18
CPCG02B13/0035G02B13/0065G02B13/18
Inventor 胡亚斌戴付建赵烈烽
Owner ZHEJIANG SUNNY OPTICAL CO LTD
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