ZOOM LENS AND IMAGING DEVICE

A zoom lens includes, in order from an object side, a positive first lens group, a negative second lens group, a positive third lens group, a negative fourth lens group, and a negative fifth lens group, and magnifies by changing an interval on an optical axis between adjacent lens groups. The third lens group includes an object side portion group arranged on an object side with a widest air interval in the third lens group and an image side portion group arranged on an image side of the object side portion group, and the second lens group moves along the optical axis at a time of magnification change. The object side portion group and the image side portion group each include a positive lens, a positive lens, and a negative lens arranged in order from the object side. Further, an imaging device including the zoom lens is provided.