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

Claim 2:
3. The zoom lens system of claim 2, wherein the second lens group is comprised of:
a negative lens L2a; 
a negative lens L2b; 
a positive lens L2c; and
the negative lens L2d, 
wherein the negative lens L2a, the negative lens L2b, the positive lens L2c, and the negative lens L2d are arranged in this order such that: (i) the negative lens L2a is configured to be closer to the object than any of the negative lens L2b, the positive lens L2c, or the negative lens L2d; and (ii) the negative lens L2d is configured to be closer to the image than any of the negative lens L2a, the negative lens L2b, or the positive lens L2c.