Patent ID: 11899190
Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A zoom lens system comprising:
a first lens group having positive power;
a second lens group having negative power;
a third lens group having positive power;
a fourth lens group having negative power; and
a fifth lens group having positive power,
wherein:
the first, second, third, fourth, and fifth lens groups are arranged in this order such that: (i) the first lens group is configured to be closer to an object than any of the second, third, fourth or fifth lens groups; and (ii) the fifth lens group is configured to be closer to an image than any of the first, second, third, or fourth lens groups;
the first lens group consists of a single positive meniscus lens which is adjacent to the second lens group;
the second lens group is comprised of four lenses; and
the zoom lens system is configured to zoom from a wide-angle end toward a telephoto end such that the fifth lens group does not move but the first, second, third, and fourth lens groups move to change intervals between all of the first, second, third, fourth, and fifth lens groups.