Optical image capturing lenses

An optical image capturing lenses comprising six lens elements, the six lens elements being, 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 and a sixth lens element;
• wherein each of the six lens elements comprises an object-side surface facing towards the object side and an image-side surface facing towards the image side;
• wherein the second lens element has negative refractive power;
• the fifth lens element has negative refractive power;
• the sixth lens element has positive refractive power;
• the image-side surface of the first lens element is concave in a paraxial region thereof;
• the object-side surface of the second lens element is convex in a paraxial region thereof, the image-side surface of the second lens element is concave in a paraxial region thereof;
• wherein an absolute value of a curvature radius of the image-side surface of the third lens element is larger than an absolute value of a curvature radius of the object-side surface of the third lens element;
• an absolute value of a curvature radius of the image-side surface of the sixth lens element is larger than an absolute value of a curvature radius of the object-side surface of the sixth lens element;
• an axial distance between the third lens element and the fourth lens element is smaller than a central thickness of the third lens element;
• wherein a total number of lens elements in the optical image capturing lenses is six;
• a focal length of the optical image capturing lenses is f, a focal length of the first lens element is f1, a curvature radius of an object-side surface of the lens element nearest to an image plane with negative refractive power is Rn1, a curvature radius of an image-side surface of the lens element nearest to the image plane with negative refractive power is Rn2, and the following relationships are satisfied:
• −0.6<f/f1<0.3;
• and
• 0<(Rn1−Rn2)/(Rn1+Rn2)<1.5.