Optical image capturing lens assembly, imaging apparatus and electronic device

An optical image capturing lens assembly comprising five lens elements, the five lens elements being, in order from an object side to an image side along an optical path:

• a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element, each of the five lens elements has an object-side surface towards the object side and an image-side surface towards the image side;
• wherein, the first lens element with negative refractive power has the image-side surface being concave in a paraxial region thereof;
• the second lens element has the image-side surface being concave in a paraxial region thereof;
• the third lens element with positive refractive power has the object-side surface being convex in a paraxial region thereof and the image-side surface being convex in a paraxial region thereof;
• the fifth lens element has the object-side surface being convex in a paraxial region thereof and the image-side surface being concave in a paraxial region thereof, and the image-side surface of the fifth lens element comprises at least one inflection point;
• wherein, a curvature radius of the object-side surface of the third lens element is R5, a curvature radius of the image-side surface of the third lens element is R6, a focal length of the third lens element is f3, an axial distance between the second lens element and the third lens element is T23, an axial distance between the third lens element and the fourth lens element is T34, and the following conditions are satisfied:
• 0<(R5+R6)/f3<1.0;
• and
• (T23+T34)/(T23−T34)<−1.0.

An optical image capturing lens assembly comprising five lens elements, the five lens elements being, in order from an object side to an image side along an optical path:

• a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element, each of the five lens elements has an object-side surface towards the object side and an image-side surface towards the image side;
• wherein, the first lens element with negative refractive power has the image-side surface being concave in a paraxial region thereof;
• the second lens element has the object-side surface being convex in a paraxial region thereof and the image-side surface being concave in a paraxial region thereof;
• the third lens element with positive refractive power has the image-side surface being convex in a paraxial region thereof;
• the fifth lens element has the object-side surface being convex in a paraxial region thereof and the image-side surface being concave in a paraxial region thereof;
• at least one of the object-side surface and the image-side surface of the at least one of the five lens elements comprises at least one inflection point;
• wherein an axial distance between the second lens element and the third lens element is T23, an axial distance between the third lens element and the fourth lens element is T34, an axial distance between the fourth lens element and the fifth lens element is T45, and the following conditions are satisfied:
• −75<(T23+T34)/(T23−T34)<−1.4;
• and
• 0.50<T45/T23<4.5.