Abstract: An imaging lens includes a first lens element, a second lens element, a third lens element, and a fourth lens element arranged from an object side to an image side in the given order. The image-side surface of the first lens element comprises a convex portion in a vicinity of a periphery of the first lens element. The imaging lens has a system length less than 3.0 mm. The imaging lens does not have any lens element with refractive power other than the first, second, third, and fourth lens elements.

Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces and/or the refracting power of the lens elements, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: An optical imaging lens includes five lens elements arranged from an object side to an image side in a given order along an optical axis of the optical imaging lens. The object-side surface of the second lens element has a convex portion in a vicinity of its periphery, the object -side surface of the third lens element has a convex portion in a vicinity of the optical axis, the object-side surface of the fourth lens element has a concave portion in a vicinity of its periphery, the optical imaging lens as a whole has only the five lens elements, and an effective system focal length is EFL, an air gap between the second lens element and the third lens element along the optical axis is G23, a central thickness of the third lens element along the optical axis is T3, and EFL, G23 and T3 satisfy the equation 4.89?EFL/(G23+T3)?5.88.

Abstract: An optical imaging lens includes first, second, third, fourth and fifth lens elements arranged sequentially from an object side to an image side along an optical axis. The image-side surface of the first lens element comprises a concave portion in a vicinity of the optical axis. The object-side surface of the fourth lens element comprises a concave portion in a vicinity of the optical axis. The optical imaging lens as a whole has only the five lens elements having refractive power.

Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces and/or the refracting power of the lens elements, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: An imaging lens includes a first lens element, a second lens element, a third lens element, and a fourth lens element arranged from an object side to an image side in the given order. The image-side surface of the first lens element comprises a convex portion in a vicinity of a periphery of the first lens element. The imaging lens has a system length less than 3.0 mm. The imaging lens does not have any lens element with refractive power other than the first, second, third, and fourth lens elements.

Abstract: An optical imaging lens includes first, second, third, fourth and fifth lens elements arranged sequentially from an object side to an image side along an optical axis. The image-side surface of the first lens element comprises a concave portion in a vicinity of the optical axis. The object-side surface of the fourth lens element comprises a concave portion in a vicinity of the optical axis. The optical imaging lens as a whole has only the five lens elements having refractive power.

Abstract: An optical imaging lens includes first, second, third, fourth and fifth lens elements arranged sequentially from an object side to an image side along an optical axis. The image-side surface of the first lens element comprises a convex portion in a vicinity of its periphery. The third lens element has negative power. The object-side surface of the fifth lens element comprises a concave portion in a vicinity of its periphery. The optical imaging lens as a whole has only the five lens elements having refractive power.

Abstract: An optical imaging lens includes a first lens element, a second lens element, a third lens element, a fourth lens element, and a fifth lens element sequentially arranged along an optical axis from an object side to an image side. Each of the first lens element to the fifth lens element has an object-side surface facing toward the object side and an image-side surface facing toward the image side. A distance between the image-side surface of the fifth lens element and an image plane along the optical axis is BFL, an air gap between the first lens element and the second lens element along the optical axis is G12, an air gap between the fourth lens element and the fifth lens element along the optical axis is G45, a central thickness of the fifth lens element along the optical axis is T5, satisfying the equation: 1.861?(BFL+G12)/(G45+T5)?3.055.

Abstract: An optical imaging lens includes a first lens element, a second lens element, a third lens element, a fourth lens element, and a fifth lens element sequentially arranged along an optical axis from an object side to an image side. Each of the first lens element to the fifth lens element has an object-side surface facing toward the object side and an image-side surface facing toward the image side. A distance between the image-side surface of the fifth lens element and an image plane along the optical axis is BFL, an air gap between the first lens element and the second lens element along the optical axis is G12, an air gap between the fourth lens element and the fifth lens element along the optical axis is G45, a central thickness of the fifth lens element along the optical axis is T5, satisfying the equation: 1.861?(BFL+G12)/(G45+T5)?3.055.

Abstract: An imaging lens includes a first lens element, a second lens element, a third lens element, and a fourth lens element arranged from an object side to an image side in the given order. The first lens element has positive refractive power and an image-side surface with a concave portion in the vicinity of an optical axis. The object-side surface of the third lens element has a concave portion in a vicinity of an optical axis of the imaging lens. The object-side surface of the fourth lens element has a convex portion in a vicinity of the optical axis of the imaging lens. The imaging lens does not have any lens element with refractive power other than the first, second, third, and fourth lens elements.

Abstract: The optical imaging lens includes, sequentially from an object side to an image side in order from an optical axis, first, second, third, fourth, and fifth lens elements. The first lens element is made of plastic. The object-side of the second lens element has a convex portion in a vicinity of the optical axis. The third lens element is made of plastic. The object-side surface of the fourth lens element has a concave portion in the vicinity of its periphery. The sum of thicknesses of all five lens elements along the optical axis is ALT, the distance between the image-side surface of the fifth lens element and an image plane along the optical axis is BFL, and the optical imaging lens satisfies the equation: 1.167?ALT/BFL?1.685.

Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces and/or the refracting power of the lens elements, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: An imaging lens includes first, second, third, and fourth lens elements arranged from an object side to an image side in the given order. The first lens element has an image-side surface with a concave portion in the vicinity of its periphery. The second lens element has an image-side surface with a convex portion in the vicinity of the optical axis. The third lens element has a positive refractive power. The imaging lens does not have any lens element with refractive power other than the first, second, third, and fourth lens elements.

Abstract: An optical imaging lens includes a plurality of lens elements arranged in the given order from an object side to an imaging side. Each of the lens elements has a refracting power, an object-side surface facing toward the object side and an image-side surface facing toward the image side. The lens elements include a first lens element closest to the object side, a second lens element second closest to the object-side, a third lens element having a positive refracting power, and a fourth lens element having its object-side and image-side surfaces being aspheric. The object-side surface of the first lens element has a concave portion in the vicinity of the optical axis. The third lens element has at least one of the object-side and image-side surfaces being aspheric.

Abstract: The optical imaging lens includes, sequentially from an object side to an image side in order from an optical axis, first, second, third, fourth, and fifth lens elements. The first lens element is made of plastic. The object-side of the second lens element has a convex portion in a vicinity of the optical axis. The third lens element is made of plastic. The object-side surface of the fourth lens element has a concave portion in the vicinity of its periphery. The sum of thicknesses of all five lens elements along the optical axis is ALT, the distance between the image-side surface of the fifth lens element and an image plane along the optical axis is BFL, and the optical imaging lens satisfies the equation: 1.167?ALT/BFL?1.685.

Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Though controlling the convex or concave shape of the surfaces and/or the refracting power of the lens elements, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: The optical imaging lens includes five lens elements from an object side to an image side. The optical imaging lens shows better optical characteristics through controlling the convex or concave shape of the surfaces of the lens elements to allow the thicknesses of the second and third lens elements and air gaps between the five lens elements along the optical axis satisfying the relations 1.715?AAG/(AG45)?7.593 and 2.124?ALT/(T2+T3)?3.937, where AAG is the sum of all four air gaps from the first to the fifth lens element along the optical axis, AG45 is an air gap between the fourth and fifth lens elements along the optical axis, ALT is the sum of thicknesses of the first to fifth lens elements along the optical axis, and T2 and T3 are the respective thickness of the second and third lens elements along the optical axis.

Abstract: The optical imaging lens includes, sequentially from an object side to an image side, an aperture stop, first, second, third, fourth, and fifth lens elements. The first lens element is made of plastic. The object-side of the second lens element has a convex portion in a vicinity of its periphery. The third lens element has positive refracting power. The object-side surface of the fourth lens element has a concave portion in the vicinity of the optical axis, and the image-side surface of the fifth lens element has a concave portion in the vicinity of the optical axis. Though controlling the convex or concave shape of the surfaces and/or the refracting power of the lens elements, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: The optical imaging lens includes five lens elements from an object side to an image side. The optical imaging lens shows better optical characteristics through controlling the convex or concave shape of the surfaces of the lens elements to allow the thicknesses of the second and third lens elements and air gaps between the five lens elements along the optical axis satisfying the relations 1.715?AAG/(AG45)?7.593 and 2.124?ALT/(T2+T3)?3.937, where AAG is the sum of all four air gaps from the first to the fifth lens element along the optical axis, AG45 is an air gap between the fourth and fifth lens elements along the optical axis, ALT is the sum of thicknesses of the first to fifth lens elements along the optical axis, and T2 and T3 are the respective thickness of the second and third lens elements along the optical axis.