A zoom lens comprising, in order from an object side to an image side in an optical axis: a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a negative refractive power; a fourth lens group having a positive refractive power; a fifth lens group having a positive refractive power; and an aperture stop arranged between the third lens group and the fourth lens group, an interval between the first lens group and the second lens group being increased, an interval between the second lens group and the third lens group being varied, an interval between the third lens group and the fourth lens group being decreased, and an interval between the fourth lens group and the fifth lens group being decreased when changing a magnification from a wide-angle end to a telephoto end, a focal length of the third lens group, f3, a focal length of an entire system at the wide-angle end, fw, a focal length of the entire system at the telephoto end, ft satisfy the following condition, 1.4 < f 3 / fw × ft < 3 characterized by: the zoom lens being of an inner focus type, such that for a given magnification each group of the zoom lens is arranged such that the object distance is infinity, the focus to a finite distance being performed by moving only the third of the five lens groups; wherein: the first lens group is a cemented lens including in order from the object side a negative meniscus lens having a convex surface on the object side and a positive meniscus lens having a convex surface on the object side; the second lens group includes in order from the object side a negative meniscus lens having a convex surface on the object side, a biconcave lens having an aspheric surface on both surfaces, and a biconvex lens; the third lens group is one negative meniscus lens having a strong concave surface on the object side; the fourth lens group includes in order from the object side a biconvex lens having an aspheric surface on both surfaces and a strong convex surface on the object side and a cemented lens of a biconvex lens and a biconcave lens; and the fifth lens group includes in order from the object side a biconvex lens having an aspheric surface on both surfaces and a negative meniscus lens having a convex surface on the object side. a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a negative refractive power; a fourth lens group having a positive refractive power; a fifth lens group having a positive refractive power; and an aperture stop arranged between the third lens group and the fourth lens group, an interval between the first lens group and the second lens group being increased, an interval between the second lens group and the third lens group being varied, an interval between the third lens group and the fourth lens group being decreased, and an interval between the fourth lens group and the fifth lens group being decreased when changing a magnification from a wide-angle end to a telephoto end, a focal length of the third lens group, f3, a focal length of an entire system at the wide-angle end, fw, a focal length of the entire system at the telephoto end, ft satisfy the following condition, 1.4 < f 3 / fw × ft < 3 characterized by: the zoom lens being of an inner focus type, such that for a given magnification each group of the zoom lens is arranged such that the object distance is infinity, the focus to a finite distance being performed by moving only the third of the five lens groups; wherein: the first lens group is a cemented lens including in order from the object side a negative meniscus lens having a convex surface on the object side and a positive meniscus lens having a convex surface on the object side; the second lens group includes in order from the object side a negative meniscus lens having a convex surface on the object side, a biconcave lens having an aspheric surface on both surfaces, and a biconvex lens; the third lens group is one negative meniscus lens having a strong concave surface on the object side; the fourth lens group includes in order from the object side a biconvex lens having an aspheric surface on both surfaces and a strong convex surface on the object side and a cemented lens of a biconvex lens and a biconcave lens; and the fifth lens group includes in order from the object side a biconvex lens having an aspheric surface on both surfaces and a negative meniscus lens having a convex surface on the object side. the first lens group is a cemented lens including in order from the object side a negative meniscus lens having a convex surface on the object side and a positive meniscus lens having a convex surface on the object side; the second lens group includes in order from the object side a negative meniscus lens having a convex surface on the object side, a biconcave lens having an aspheric surface on both surfaces, and a biconvex lens; the third lens group is one negative meniscus lens having a strong concave surface on the object side; the fourth lens group includes in order from the object side a biconvex lens having an aspheric surface on both surfaces and a strong convex surface on the object side and a cemented lens of a biconvex lens and a biconcave lens; and the fifth lens group includes in order from the object side a biconvex lens having an aspheric surface on both surfaces and a negative meniscus lens having a convex surface on the object side.