Patent ID: 11899279
Assignee: LARGAN PRECISION CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 15:
16. The electronic device of claim 15, wherein when the measurement is made in accordance with the reference wavelength as the d-line, the Abbe number of the first lens element is Vd1, the Abbe number of the second lens element is Vd2, the Abbe number of the third lens element is Vd3, the Abbe number of the fourth lens element is Vd4, and the following conditions are satisfied:

0.75<Vd1/Vd2<1.35;

0.75<Vd1/Vd3<1.35; and

0.75<Vd1/Vd4<1.35.