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Zoom lens

A zoom lens and lens technology, applied in the field of zoom lenses, can solve the problems of inconvenience, general products without appropriate structure, etc.

Active Publication Date: 2012-10-17
ABILITY ENTERPRISE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] This shows that above-mentioned existing zoom lens obviously still has inconvenience and defect in structure and use, and urgently needs to be further improved
In order to solve the above-mentioned problems, the relevant manufacturers have tried their best to find a solution, but for a long time no suitable design has been developed, and the general product has no suitable structure to solve the above-mentioned problems. This is obviously the relevant industry. Urgent problem

Method used

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Embodiment Construction

[0033] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation, structure, features and effects of the zoom lens proposed according to the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments. The description is as follows.

[0034] Various embodiments of the present invention will be described in detail below and illustrated with accompanying drawings. In addition to these detailed descriptions, the present invention can also be widely implemented in other embodiments, and any easy replacement, modification, and equivalent changes of any of the described embodiments are included in the scope of the present invention, and are defined in the following patent scope prevail. In the description of the specification, many specific details are provided in order to enable readers to have a more complete unde...

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Abstract

The invention relates to a zoom lens. From an object side to an image-forming side, the zoom lens mainly comprises a first lens group with a positive diopter, a second lens group with a negative diopter, a third lens group with the positive diopter, a fourth lens group with the positive diopter, and a fifth lens group with the negative diopter, wherein the second lens group, the fourth lens group and the fifth lens group move relative to each other to make the zoom lens focusing between a wide-angle end and a telephoto end.

Description

technical field [0001] The invention relates to a zoom lens, in particular to a zoom lens with thinness, low cost, high zoom ratio and good imaging quality. Background technique [0002] Existing known image capture devices, such as digital cameras or digital video cameras, mostly combine lens modules and image sensors to form images of objects to be photographed, mainly using lens modules to refract light beams from objects to be photographed , so that the image of the object to be photographed is gathered on the image sensor, and the analog optical signal is converted into a digital electronic signal through the image sensor, and then subsequent image processing, storage and transmission are performed. [0003] The lens module of the image capture device is usually composed of multiple lenses (Lens) or prisms (Prism). Plastic lenses are used instead of glass lenses. However, due to the shortcomings of the plastic material itself, which is easy to absorb water vapor and h...

Claims

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Application Information

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IPC IPC(8): G02B15/173G02B3/02G02B1/04
Inventor 周祥禾
Owner ABILITY ENTERPRISE CO LTD
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