Optical image capturing system

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 refractive power;
• and
• an image plane;
• wherein the optical image capturing system consists of the five lenses with refractive power;
• at least two of the lenses from the first lens to the fifth lens each has at least an inflection point on at least a surface thereof;
• 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:
• 1.2≦f/HEP≦6.0;
• 0.5≦HOS/f≦5.0;
• and
• 0<Σ|InRS|/InTL≦3;
• where f1, f2, f3, f4, and f5 are focal lengths of the first lens to the fifth lens, respectively;
• 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 between an object-side surface, which face the object side, of the first lens and the image plane;
• Σ|InRS| is a sum of InRSO and InRSI, where InRSO is a sum of absolute values of the displacements in parallel with the optical axis of each lens with refractive power 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 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 fourth lens.

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 positive refractive power;
• a fifth lens having negative refractive power, and having at least an inflection point on an image-side surface, which faces the image side, and an object-side surface, which faces the object side, respectively, wherein at least one surface between the image-side surface and the object-side surface thereof has at least an inflection point;
• and
• an image plane;
• wherein the optical image capturing system consists of the five lenses having refractive power;
• at least two of the lenses from the first lens to the fourth lens each has at least an inflection point on at least a surface thereof;
• the first lens has an image-side surface, which faces the image side, and an object-side surface, which faces the object side;
• both the object-side surface and the image-side surface of the first lens are aspheric surfaces, 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:
• 1.2≦f/HEP≦3.0;
• 0.4≦|tan(HAF)|≦3.0;
• 0.5≦HOS/f≦3.0;
• |TDT|<60%;
• |ODT|≦50%;
• and
• 0<Σ|InRS|/InTL≦3;
• where f1, f2, f3, f4, and f5 are focal lengths of the first lens to the fifth lens, respectively;
• f is a focal length of the optical image capturing system;
• HEP is an entrance pupil diameter of the optical image capturing system;
• HAF is a half of a view angle of the optical image capturing system;
• HOS is a distance in parallel with the optical axis between an object-side surface, which face the object side, of the first lens and the image plane;
• TDT is a TV distortion;
• and ODT is an optical distortion;
• Σ|InRS| is a sum of InRSO and InRSI, where InRSO is a sum of absolute values of the displacements in parallel with the optical axis of each lens with refractive power 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 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 fourth lens.