ZOOM LENS SYSTEM, IMAGE CAPTURING DEVICE HAVING THE SAME, AND INTERCHANGEABLE LENS DEVICE

Japanese Patent JP2022125451

A

To provide a zoom lens which offers good optical performance over an entire zoom range, an image capturing device having the same, and an interchangeable lens device.SOLUTION: A zoom lens system disclosed herein comprises, in order from the object side to the image side, a first lens group G1 having positive power, a second lens group G2 having negative power, and a rear group G3-G7 comprising at least three or more lens groups with power. The rear group comprises, in order from the most image side, an (N)th lens group having negative lens power, an (N-1)th lens group having positive lens power, and an (N-2)th lens group having negative lens power. The second lens group is stationary while zooming. When shifting focus from infinity to a nearby object, at least the (N-2)th lens group moves along an optical axis. The zoom lens system satisfies a condition expressed as: 0.05