Patent ID: 9001435
Filing Date: 2015-04-07
Classification: G02B

Abstract:
1. An optical image capturing system comprising five lens elements with refractive power, in order from an object side to an image side: a first lens element with positive refractive power having a convex object-side surface; a second lens element with negative refractive power having a concave image-side surface; a third lens element having negative refractive power; a fourth lens element with refractive power having a concave image-side surface, wherein an object-side surface and the image-side surface of the fourth lens element are aspheric; and a fifth lens element with refractive power having a concave image-side surface, wherein an object-side surface and the image-side surface of the fifth lens element are aspheric, and the fifth lens element has at least one inflection point on the image-side surface thereof; wherein the optical image capturing system has a total of five lens elements with refractive power; and the optical image capturing system further comprising a stop, wherein the axial distance between the object-side surface of the first lens element and the image-side surface of the fifth lens element is Td, an effective diameter of the stop is AD, and the following relationship is satisfied: wherein a focal length of the optical image capturing system is f, a curvature radius of an object-side surface of the third lens element is R