A zoom lens includes first to fifth lens groups having positive, negative, negative, positive, and positive refractive powers, respectively, arranged along an optical axis in order from an object side, and an aperture stop disposed between the third and fourth lens groups. When zooming from wide angle end to telephoto end, the zoom lens is moved so that an interval between the first and second lens groups increases, an interval between the second and third lens groups varies, an interval between the third and fourth lens groups decreases, and the third lens group focuses. The second lens group is arranged to have a focal length to satisfy the following condition: 0.95