Camera Optical Lens Group

Abstract

The invention discloses an optical lens group for shooting, which comprises a first lens with positive refractive power, a second lens with negative refractive power, a third lens with the positive refractive power, a fourth lens with the negative refractive power and a fifth lens, and is also provided with an aperture and an electronic light sensitive element for imaging a shot object, wherein an object side surface of the first lens is a convex surface; an object side surface and an image side surface of the second lens are concave surfaces; an object side surface and an image side surface of the fourth lens are concave surfaces; at least one surface in the object side surface and the image side surface of the fourth lens is an aspheric surface; an object side surface of the fifth lens is a convex surface, and an image side surface of the fifth lens is a concave surface; at least one inflection point is arranged on the image side surface of the fifth lens; the fifth lens is made of a plastic material; and the aperture is arranged between the shot object and the third lens. Due to the configuration mode of the lens group, the volume of the lenses can be effectively reduced, the sensitivity of an optical system is reduced, and higher image resolution can be acquired.

Description

technical field [0001] The invention relates to a camera optical lens group, in particular to a miniaturized camera optical lens group applied to portable electronic products. Background technique [0002] In recent years, with the rise of portable electronic products with photographic functions, the demand for miniaturized photographic lenses has increased day by day, and the photosensitive element of general photographic lenses is nothing more than a charge coupled device (CCD) or complementary There are two types of CMOS Sensor (Complementary Metal-Oxide Semiconductor Sensor, CMOS Sensor), and due to the improvement of semiconductor process technology, the pixel size of the photosensitive element is reduced, and the miniaturized photographic lens is gradually developing towards the high-pixel field. Therefore, for The requirements for image quality are also increasing day by day. [0003] Traditional miniaturized photographic lenses mounted on portable electronic product...

AI Technical Summary

Problems solved by technology

[0004] However, due to the prevalence of high-standard mobile devices such as smart phones (Smart Phone) and PDA (Personal Digital Assistant), the miniaturized photographic lens has rapidly increased in terms of pixels and image quality, and the existing four-element lens group will not be able to meet the requirements. Higher-end photographic lens modules, coupled with the continuous development of high-performance and thinner electronic products, miniaturized photographic lenses equipped with high-resolution and high-performance have become an important target for the development of high-end electronic products.

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