Patent ID: 11933952
Assignee: FUJIFILM CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 10:
11. The zoom lens according to claim 1,
wherein the fifth lens group includes at least one cemented lens consisting of one positive lens and one negative lens, and
in a case where a d line-based Abbe number and a partial dispersion ratio between a g line and an F line for the positive lens composing the cemented lens closest to the image side among the cemented lenses included in the fifth lens group are denoted by vp and θp, respectively, and a d line-based Abbe number and a partial dispersion ratio between a g line and an F line for the negative lens composing the cemented lens closest to the image side among the cemented lenses included in the fifth lens group are denoted by vn and θn, respectively, Conditional Expressions (8) and (9) are satisfied, which are represented by

40<νp−νn<82  (8)

0.03<(θp−θn)+0.001623×(νp−νn)<0.042  (9).