Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements to allow the thickness of the second lens element and the sum of all air gaps between all five lens elements along the optical axis satisfying the relation: 0.20<T2<0.50 (mm) and 0.27<(T2/Gaa)<0.40, 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, fourth, and fifth lens elements arranged from an object side to an image side in the given order. Through surface designs of the lens elements, the imaging lens has a relatively short overall length while maintaining good optical performance.

Abstract: An optical imaging lens includes first, second, third, fourth and fifth lens elements positioned sequentially from an object side to an image side. The first lens element with positive refractive power has an object-side surface comprising a convex portion in the optical axis vicinity. The second lens element with negative refractive power has an object-side surface comprising a convex portion in the optical axis vicinity and an image-side surface comprising a concave portion in the optical axis vicinity. The third lens element has an image-side surface comprising a convex portion in the periphery. The fourth lens element has an image-side surface comprising a convex portion in the optical axis vicinity. The fifth lens element has an object-side surface comprising a convex portion in the optical axis vicinity and an image-side surface comprising a concave portion in the optical axis vicinity and a convex portion in the periphery.

Abstract: An optical imaging lens includes, in order from an object side to an image side, first, second, third, fourth, fifth, sixth, and seventh lens elements arranged along an optical axis. The object-side surface of the first lens element has a convex portion and the image-side surface has a concave portion. The image-side of the third lens element is a concave surface. The object-side surface of the fourth lens element has a concave portion and the image-side surface of the fourth lens element has a convex portion. The image-side surface of the sixth lens element has a convex portion. The object-side surface of the seventh lens element has a convex portion and the image-side surface has a convex portion. The optical imaging lens only has seven lens elements having a refractive power.

Abstract: A five element lens system for use with an imaging sensor includes first, second, third, fourth, and fifth lens elements and an optical filter that are arranged sequentially in order from an object side to an imaging side. The lens elements are coated with an anti-reflective film. The lens system further includes an optical filter that is disposed at a distance from the imaging sensor. The lens elements are relatively positioned to each other to satisfy specific conditions. The lens elements further include thickness to diameters ratios that satisfy specific conditions. The lens system is capable of focusing images of objects located from a range of 10 cm to infinity from the lens system.

Abstract: An imaging lens includes first, second, third, fourth, and fifth lens elements arranged from an object side to an image side in the given order. The first, second, and third lens elements have positive, negative, and negative refractive powers, respectively. The third lens element has an image-side surface having a convex portion in a vicinity of a periphery of the third lens element. The fourth lens element has a concave object-side surface. The fifth lens element has an object-side surface that has a convex portion in a vicinity of an optical axis of the imaging lens, and an image-side surface that has a concave portion in a vicinity of the optical axis and a convex portion in a vicinity of a periphery of the fifth lens element.

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 plastic-made first, second, third, and fourth lens elements arranged in the given order from an object side to an imaging side. The first lens element has a positive focusing power and is biconvex. The second lens element has a negative focusing power, is biconcave, and has an abbe number not greater than 30. The third lens element has a positive focusing power and has a convex imaging-side surface facing toward the imaging side. The fourth lens element has an imaging-side surface formed with a concave area in a vicinity of an optical axis of the fourth lens element. The imaging lens further includes an aperture stop disposed between the first and second 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. 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: An imaging lens includes plastic-made first, second, third, and fourth lens elements arranged in the given order from an object side to an imaging side. The first lens element has a positive focusing power and is biconvex. The second lens element has a negative focusing power, is biconcave, and has an abbe number not greater than 30. The third lens element has a positive focusing power and has a convex imaging-side surface facing toward the imaging side. The fourth lens element has an imaging-side surface formed with a concave area in a vicinity of an optical axis of the fourth lens element. The imaging lens further includes an aperture stop disposed between the first and second lens elements.

Abstract: An imaging lens includes plastic-made first, second, third, and fourth lens elements arranged in the given order from an object side to an imaging side. The first lens element has a positive focusing power and is biconvex. The second lens element has a negative focusing power, is biconcave, and has an abbe number not greater than 30. The third lens element has a positive focusing power and has a convex imaging-side surface facing toward the imaging side. The fourth lens element has an imaging-side surface formed with a concave area in a vicinity of an optical axis of the fourth lens element. The imaging lens further includes an aperture stop disposed between the first and second 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 in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements to allow the thickness of the second lens element and the sum of all air gaps between all five lens elements along the optical axis satisfying the relation: 0.20<T2<0.50 (mm) and 0.27<(T2/Gaa)<0.40, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements to allow the thickness of the second lens element and the sum of all air gaps between all five lens elements along the optical axis satisfying the relation: 0.20<T2<0.50 (mm) and 0.27<(T2/Gaa)<0.40, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: An imaging lens includes plastic-made first, second, third, and fourth lens elements arranged in the given order from an object side to an imaging side. The first lens element has a positive focusing power and is biconvex. The second lens element has a negative focusing power, is biconcave, and has an abbe number not greater than 30. The third lens element has a positive focusing power and has a convex imaging-side surface facing toward the imaging side. The fourth lens element has an imaging-side surface formed with a concave area in a vicinity of an optical axis of the fourth lens element. The imaging lens further includes an aperture stop disposed between the first and second lens elements.

Abstract: An imaging lens includes plastic-made first, second, third, and fourth lens elements arranged in the given order from an object side to an imaging side. The first lens element has a positive focusing power and is biconvex. The second lens element has a negative focusing power, is biconcave, and has an abbe number not greater than 30. The third lens element has a positive focusing power and has a convex imaging-side surface facing toward the imaging side. The fourth lens element has an imaging-side surface formed with a concave area in a vicinity of an optical axis of the fourth lens element. The imaging lens further includes an aperture stop disposed between the first and second lens elements.

Abstract: An imaging lens includes first, second, third, fourth, and fifth lens elements arranged from an object side to an image side in the given order. Through surface designs of the lens elements, the imaging lens has a relatively short overall length while maintaining good optical performance.

Abstract: An optical imaging lens includes, from an object side to an image side, an aperture stop, first, second, third, fourth, and fifth lens elements. The first lens element has a positive refracting power, and its object-side surface has a convex portion near an optical axis and a convex portion near its periphery. The second lens element has a negative refracting power. The third lens element has a negative refracting power, and its object-side surface has a concave portion near its periphery. The fourth lens element has a positive refracting power, an object-side surface having a concave portion near the optical axis and a concave portion near its periphery, and an image-side surface having a convex portion near the optical axis and a convex portion near its periphery. The image-side surface of the fifth lens element has a concave portion near the optical axis and a convex portion near its periphery.

Abstract: A five element lens system for use with an imaging sensor includes first, second, third, fourth, and fifth lens elements and an optical filter that are arranged sequentially in order from an object side to an imaging side. The lens elements are coated with an anti-reflective film. The lens system further includes an optical filter that is disposed at a distance from the imaging sensor. The lens elements are relatively positioned to each other to satisfy specific conditions. The lens elements further include thickness to diameters ratios that satisfy specific conditions. The lens system is capable of focusing images of objects located from a range of 10 cm to infinity from the lens system.

Abstract: An imaging lens includes plastic-made first, second, third, and fourth lens elements arranged in the given order from an object side to an imaging side. The first lens element has a positive focusing power and is biconvex. The second lens element has a negative focusing power, is biconcave, and has an abbe number not greater than 30. The third lens element has a positive focusing power and has a convex imaging-side surface facing toward the imaging side. The fourth lens element has an imaging-side surface formed with a concave area in a vicinity of an optical axis of the fourth lens element. The imaging lens further includes an aperture stop disposed between the first and second 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 in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements to allow the thickness of the second lens element and the sum of all air gaps between all five lens elements along the optical axis satisfying the relation: 0.20<T2<0.50 (mm) and 0.27<(T2/Gaa)<0.40, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.