OPTICAL LENS ASSEMBLY, IMAGE CAPTURING APPARATUS AND ELECTRONIC DEVICE

摘要

An optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has refractive power. The third lens element has refractive power. The fourth lens element has refractive power. The fifth lens element with refractive power has an image-side surface being concave in a paraxial region thereof. The sixth lens element with refractive power has an object-side surface being concave in a paraxial region thereof. The seventh lens element with refractive power has an image-side surface being concave in a paraxial region thereof.

主权项

1. An 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 having refractive power; a third lens element having refractive power; a fourth lens element having refractive power; a fifth lens element with refractive power having an image-side surface being concave in a paraxial region thereof; a sixth 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 sixth lens element are aspheric; and a seventh lens element with refractive power having an image-side surface being concave in a paraxial region thereof, wherein an object-side surface and the image-side surface of the seventh lens element are aspheric, and the image-side surface of the seventh lens element comprises at least one convex shape in an off-axial region thereof; wherein the optical lens assembly has a total of seven lens elements with refractive power, there is an air gap between every two of the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element, the sixth lens element and the seventh lens element that are adjacent to each other, a curvature radius of the object-side surface of the sixth lens element is R11, a focal length of the optical lens assembly is f, and the following condition is satisfied:
R11/f<0.