High-resolution camera lens

Abstract

The invention discloses a high-resolution camera lens. The high-resolution camera lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens in sequence from the object side to the image side. The first lens is crescent and has positive focal power, and the convex side of the first lens faces the image side. The second lens is crescent and has positive focal power, and the convex side of the second lens faces the image side. The third lens is crescent and has positive focal power, and the convex side of the third lens faces the image side. The fourth lens has negative focal power and is of a concavo-concave shape. The fifth lens has positive focal power and is of a convexo-convex shape. The sixth lens is crescent and has positive focal power, and the convex side of the sixth lens faces the image side. The fourth lens and the fifth lens are glued together. In this way, an agglutinated lens is formed, and an aperture diaphragm is formed between the third lens and the fourth lens. Compared with the prior art, the high-resolution camera lens is compact in structure, high in imaging quality and low in cost, and can be used both during the day and at night.

Description

Technical field [0001] The present invention relates to the technical field of optical imaging, in particular to a high-resolution imaging lens. Background technique [0002] With the improvement of people’s safety awareness, the security surveillance market has risen rapidly in recent years. Surveillance equipment has become an important tool for investigating and solving cases in the public security field. Surveillance cameras can be seen everywhere in the streets, communities and indoors, and they have played a great deterrent to criminals. The role, to ensure everyone's safety, especially the application of IP cameras, also provides a lot of convenience for our lives. Due to the increase in data processing and network transmission speeds, the requirements for lens imaging quality have become higher and higher, and high-definition lenses have gradually become the mainstream products in the market. At present, most cheap fixed-focus lenses in China are at the standard definiti...

AI Technical Summary

Problems solved by technology

At present, most cheap fixed-focus lenses in China are standard-definition, which cannot meet the resolution requirements of high-definition lenses. Especially when used at night, the near-infrared and visible light cannot be in focus, resulting in darker and blurred images, which cannot meet the requirements of high-definition surveillance.

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