Patent ID: 11921268
Assignee: CANON KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 7:
8. The zoom lens according to claim 1, wherein the following condition is satisfied:

0.05≤(Lspt−Lspw)/Lw≤0.15, where Lspw is a distance on an optical axis at a wide-angle end from a surface of the zoom lens closest to the object side to the aperture stop, Lspt is a distance on the optical axis at a telephoto end from the surface of the zoom lens closest to the object side to the aperture stop, and Lw is a distance on the optical axis at the wide-angle end from the surface of the zoom lens closest to the object side to a surface of the zoom lens closest to the image side.