Optical system, imaging device, and movable platform

An optical system and positive focal power technology, applied in the field of optics, can solve the problem of small field of view of hand-held cameras, and achieve the effect of reducing product volume and weight

Inactive Publication Date: 2021-10-08
SZ DJI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the requirements and limitations of the product size, cost and appearance of the existing handheld cameras, the actual field of view of the handheld cameras is small, which cannot meet people's needs.

Method used

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  • Optical system, imaging device, and movable platform
  • Optical system, imaging device, and movable platform
  • Optical system, imaging device, and movable platform

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Embodiment Construction

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0037] Some implementations of the present application will be described in detail below in conjunction with the accompanying drawings. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0038] It should also be understood that the terminology used in the specification of this application is for the purpose of describing particular embodiments only and is not intended to limit the application. A...

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Abstract

The present invention relates to an optical system (100), an imaging device (200), and a movable platform (300). The optical system (100) comprises a first lens (101), a second lens (102), and a third lens (103) which are arranged in order from an object side to an image side, the first lens (101) has a negative power, the second lens (102) has a positive power or negative power, and the third lens (103) has a positive power or negative power. The optical system (100) satisfies the following expressions: 0<the absolute value of (f1 / f2)<1.2, and 0< the absolute value of (f2 / f3)<2.5, wherein f1 is the focal length of the first lens (101), f2 is the focal length of the second lens (102), and f3 is the focal length of the third lens (103).

Description

technical field [0001] The present application relates to the field of optical technology, and in particular to an optical system, a photographing device using the optical system, and a movable platform. Background technique [0002] With the improvement of material living standards, people's demand for photography is getting higher and higher, and the prices of SLR cameras and mirrorless cameras remain high, so portable handheld shooting devices (such as mobile phones or handheld cameras) are gradually entering people's hands. vision. However, due to the requirements and limitations of the product size, cost, and appearance of the existing handheld cameras, the actual field of view of the handheld cameras is relatively small, which cannot meet people's needs. Contents of the invention [0003] Based on this, an embodiment of the present application provides an optical system, a photographing device, and a movable platform. The optical system is beneficial to the miniatur...

Claims

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Application Information

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IPC IPC(8): G02B13/00G02B13/18G02B1/00G02B1/04G03B17/14G03B30/00
CPCG02B13/0035G02B13/18G02B1/00G02B1/041G03B17/14G03B30/00
Inventor甘汝婷李玉文
OwnerSZ DJI TECH CO LTD