| 摘要 |
A zoom lens includes first to fifth lens unit having negative, positive, positive, negative, and positive refractive powers, in an order from an object side to an image side, an interval of each lens unit is configured to be changed in zooming, the first lens unit, in order from the object side to the image side, consists of one or two negative lenses and one positive lens, the second lens unit consists of one lens component that moves to the image side in focusing on an object at an infinite distance to a short distance object, and an interval D23, combined focal lengths D23w, f23w, and f4Rw, and a length D2 are appropriately set. |
