Patent ID: 11940605
Assignee: LARGAN PRECISION CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 5:
6. The photographing optical lens assembly of claim 1, wherein a maximum refractive index of one single lens element among the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element, the sixth lens element and the seventh lens element is Nmax, a minimum refractive index of one single lens element among the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element, the sixth lens element and the seventh lens element is Nmin, and the following conditions are satisfied:

1.60<Nmax<1.70; and

1.50<Nmin<1.60.