Patent ID: 9588319
Date: 2017-03-07
CPC Classifications: G02B

Claim:
1. An optical image capturing system, in order along an optical axis from an object side to an image side, comprising: a first lens having positive refractive power; a second lens having refractive power; a third lens having refractive power; a fourth lens having refractive power; a fifth lens having positive refractive power; and an image plane; wherein the optical image capturing system consists of the five lenses with refractive power; at least one of the lenses from the second lens to the fifth lens has positive refractive power; the fifth lens has an object-side surface, which faces the object side, and an image-side surface, which faces the image side, and both the object-side surface and the image-side surface of the fifth lens are aspheric surfaces; wherein the optical image capturing system satisfies: where f is a focal length of the optical image capturing system; HEP is an entrance pupil diameter of the optical image capturing system; HOS is a distance in parallel with the optical axis from an object-side surface of the first lens to the image plane; Σ|InRS| is of a sum of InRSO and InRSI, while InRSO is a sum of absolute values of the displacements of the first through fifth lenses in parallel with the optical axis from the central point on the object-side surface to the point at the maximum effective semi diameter of the object-side surface, and InRSI is a sum of absolute values of the displacements of the first through fifth lenses in parallel with the optical axis of each lens with refractive power from the central point on the image-side surface to the point at the maximum effective semi diameter of the image-side surface; and InTL is a distance in parallel with the optical axis between the object-side surface of the first lens and the image-side surface of the fifth lens.