ZOOM LENS AND IMAGING DEVICE HAVING THE SAME

Japanese Patent JP2022178447

A

To provide a compact and lightweight zoom lens that has high optical performance in the entire zoom range.SOLUTION: A zoom lens comprises, in arranged order from an object side to an image side; a first lens group L1 of positive refractive power; a second lens group L2 of negative refractive power; a third lens group L3 of positive refractive power; and a fourth lens group L4 of positive refractive power. During zooming from a wide angle end to a telephoto end, the first lens group moves, the interval between the first lens group and the second lens group expands, the interval between the second lens group and the third lens group contracts, and the interval between the third lens group and the fourth lens group contracts, and the fourth lens group is composed of a single positive lens. When it is assumed that TLt represents the total optical length of the zoom lens at the telephoto end and ft represents the focal distance of the zoom lens at the telephone end, then the conditional expression 0.10