Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of wide field of view, low-profileness and low F-number in well balance. An imaging lens comprises in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens having a concave surface facing the object side near an optical axis, a fifth lens, and a sixth lens having the concave surface facing the image side near the optical axis and negative refractive power, wherein said second lens has a convex surface facing the object side near the optical axis, composite refractive power of said second lens, said third lens and said fourth lens is negative, and below conditional expressions (1) and (2) are satisfied: 0.85<vd1/(vd2+vd3)<1.95??(1) 0.15<vd5/vd6<0.

Abstract: An imaging lens which uses a larger number of constituent lenses for higher performance and features a low F-value, low-profile design and a wide field of view. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in order from an object side to an image side: a first positive refractive power lens; a second negative refractive power lens; a third lens; a fourth lens; a fifth lens; a sixth lens having a concave image-side surface near an optical axis; and a seventh negative refractive power lens.

Abstract: An imaging lens which uses a larger number of constituent lenses for higher performance and features a low F-value, low-profile design and a wide field of view. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in order from an object side to an image side: a first positive refractive power lens; a second negative refractive power lens; a third lens; a fourth lens; a fifth lens; a sixth lens having a concave image-side surface near an optical axis; and a seventh negative refractive power lens.

Abstract: An imaging lens which uses a larger number of constituent lenses for higher performance and features a low F-value, low-profile design and a wide field of view. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in order from an object side to an image side: a first positive refractive power lens; a second negative refractive power lens; a third lens; a fourth lens; a fifth lens; a sixth lens having a concave image-side surface near an optical axis; and a seventh negative refractive power lens.

Abstract: There is provided an imaging lens with high-resolution which satisfies demand of the wide field of view, the low-profileness and the low F-number, and excellently corrects aberrations. An imaging lens comprises in order from an object side to an image side, a first lens having positive refractive power and a convex surface facing the object side near the optical axis, a second lens having negative refractive power near the optical axis, a third lens having the positive refractive power near the optical axis, a fourth lens, and a fifth lens having the negative refractive power and a concave surface facing the image side near the optical axis, wherein the image-side surface of said fifth lens is formed as an aspheric surface having at least one off-axial pole point, and predetermined conditional expressions are satisfied.

Abstract: There is provided an imaging lens with high-resolution which satisfies demand of the wide field of view, the low-profileness and the low F-number, and excellently corrects aberrations. An imaging lens comprises in order from an object side to an image side, a first lens having positive refractive power and a convex surface facing the object side near the optical axis, a second lens having negative refractive power near the optical axis, a third lens having the positive refractive power near the optical axis, a fourth lens, and a fifth lens having the negative refractive power and a concave surface facing the image side near the optical axis, wherein the image-side surface of said fifth lens is formed as an aspheric surface having at least one off-axial pole point, and predetermined conditional expressions are satisfied.

Abstract: There is provided a compact and high-resolution imaging lens at a low cost.

Abstract: A compact high-resolution imaging lens which provides a wide field of view of 80 degrees or more and corrects various aberrations properly. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in the following order from an object side to an image side: a first positive (refractive power) lens having a convex object-side surface; a second negative lens having a concave image-side surface; a third positive lens as a double-sided aspheric lens having a convex object-side surface; a fourth positive lens having a convex image-side surface; a fifth lens as a double-sided aspheric lens having a concave image-side surface; and a sixth negative lens having a concave image-side surface. The image-side surface of the sixth lens has an aspheric shape with a pole-change point in a position off an optical axis.

Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number. An imaging lens comprises in order from an object side to an image side, a first lens with positive refractive power having a convex object-side surface in a paraxial region, a second lens with negative refractive power in a paraxial region, a third lens with negative refractive power in a paraxial region, a fourth lens with positive refractive power in a paraxial region, and a fifth lens with negative refractive power having a convex image-side surface in a paraxial region, and predetermined conditional expressions are satisfied.

Abstract: A compact high-resolution imaging lens which provides a wide field of view of 80 degrees or more and corrects various aberrations properly. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in the following order from an object side to an image side: a first positive (refractive power) lens having a convex object-side surface; a second negative lens having a concave image-side surface; a third positive lens as a double-sided aspheric lens having a convex object-side surface; a fourth positive lens having a convex image-side surface; a fifth lens as a double-sided aspheric lens having a concave image-side surface; and a sixth negative lens having a concave image-side surface. The image-side surface of the sixth lens has an aspheric shape with a pole-change point in a position off an optical axis.

Abstract: An imaging lens which uses a larger number of constituent lenses for higher performance and features a low F-value, low-profile design and a wide field of view. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in order from an object side to an image side: a first positive refractive power lens; a second negative refractive power lens; a third lens; a fourth lens; a fifth lens; a sixth lens having a concave image-side surface near an optical axis; and a seventh negative refractive power lens.

Abstract: There is provided a compact and high-resolution imaging lens at a low cost.

Abstract: There is provided a compact and high-resolution imaging lens at a low cost.

Abstract: There is provided a compact and high-resolution imaging lens at a low cost.

Abstract: An imaging lens which uses a larger number of constituent lenses for higher performance and features a low F-value, low-profile design and a wide field of view. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in order from an object side to an image side: a first positive refractive power lens; a second negative refractive power lens; a third lens; a fourth lens; a fifth lens; a sixth lens having a concave image-side surface near an optical axis; and a seventh negative refractive power lens.

Abstract: An imaging lens which uses a larger number of constituent lenses for higher performance and features a low F-value, low-profile design and a wide field of view. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in order from an object side to an image side: a first positive refractive power lens; a second negative refractive power lens; a third lens; a fourth lens; a fifth lens; a sixth lens having a concave image-side surface near an optical axis; and a seventh negative refractive power lens.

Abstract: A compact imaging lens which meets the demands for low-profileness and a wide field of view and corrects various aberrations properly. The imaging lens includes, in order from an object side to an image side: an aperture stop; a first lens with positive refractive power having a convex surface on the object side; a second lens with negative refractive power as a meniscus lens having a concave surface on the image side; a third lens having a concave surface on the image side; a fourth lens; a fifth lens with positive refractive power having a convex surface on the image side; and a sixth lens with negative refractive power having a concave surface on each of the object side and the image side.

Abstract: A compact imaging lens which meets the demands for low-profileness and a wide field of view and corrects various aberrations properly. The imaging lens includes, in order from an object side to an image side: an aperture stop; a first lens with positive refractive power having a convex surface on the object side; a second lens with negative refractive power as a meniscus lens having a concave surface on the image side; a third lens having a concave surface on the image side; a fourth lens; a fifth lens with positive refractive power having a convex surface on the image side; and a sixth lens with negative refractive power having a concave surface on each of the object side and the image side.

Abstract: There is provided a compact and high-resolution imaging lens at a low cost.

Abstract: There is provided a compact and high-resolution imaging lens at a low cost.