Camera lens group

Abstract

The invention discloses a camera lens group. The camera lens group comprises a first lens with positive focal power, a second lens with focal power, a third lens with focal power, a fourth lens with focal power, a fifth lens with focal power, a sixth lens with focal power, a seventh lens with focal power and an eighth lens with focal power along the optical axis from the object side to the image side in sequence, wherein the image side surface of the sixth lens is a concave surface; the image side surface of the seventh lens is a convex surface. A half of diagonal line length ImgH in the effective pixel region on the imaging surface of the camera lens group and F number Fno of the camera lens group meet the condition that ImgH / Fno is larger than 3.5 mm.

Description

technical field

[0001] The present application relates to the field of optical elements, in particular, to an imaging lens group. Background technique

[0002] At present, portable electronic products such as smart phones are very popular, and consumers have higher and higher requirements for the camera function of mobile phones. With the performance improvement and size reduction of charge-coupled device (CCD) and complementary metal-oxide semiconductor (CMOS) image sensors, the corresponding camera lenses also need to meet high-pixel , Miniaturization requirements.

[0003] Due to the limitation of the size of the lens installed in portable electronic products such as smart phones, the camera function of the lens often has some defects, such as the aperture is generally F2.0. However, too small aperture often leads to poor photo effects in dark environments such as night, so large aperture has become the goal pursued by many mobile phone manufacturers. The size of the i...

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