PHOTOGRAPHING OPTICAL LENS ASSEMBLY, IMAGING DEVICE AND ELECTRONIC DEVICE

摘要

A photographing optical lens assembly includes, in order form an object side to an image side, a first lens element, a second lens element, a third lens element, and a fourth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region. The second lens element has negative refractive power. The third lens element with refractive power has an object-side surface being concave in a paraxial region, and the object-side surface and an image-side surface are both aspheric. The fourth lens element with negative refractive power has an object-side surface being concave in a paraxial region, and an image-side surface being convex in a paraxial region, the object-side surface and the image-side surface are both aspheric.

主权项

1. A photographing optical lens assembly comprising, in order from an object side to an image side:
a first lens element with positive refractive power having an object-side surface being convex in a paraxial region thereof; a second lens element with negative refractive power; a third lens element with refractive power having an object-side surface being concave in a paraxial region thereof, wherein the object-side surface and an image-side surface of the third lens element are aspheric; and a fourth lens element with negative refractive power having an object-side surface being concave in a paraxial region and an image-side surface being convex in a paraxial region thereof, wherein the object-side surface and an image-side surface of the fourth lens element are aspheric; wherein the photographing optical lens assembly has a total of four lens elements with refractive power, an axial distance between the first lens element and the second lens element is T12, an axial distance between the second lens element and the third lens element is T23, an axial distance between the third lens element and the fourth lens element is T34, and the following condition is satisfied:
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