Patent ID: 11953654
Assignee: LARGAN PRECISION CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 2:
3. The optical image lens assembly of claim 1, wherein both of an object-side surface and an image-side surface of each of the first lens element, the second lens element, the third lens element and the fourth lens element are aspheric; all of the first lens element, the second lens element, the third lens element and the fourth lens element are made of plastic material; the curvature radius of the object-side surface of the third lens element is R5, a curvature radius of the image-side surface of the third lens element is R6, and the following condition is satisfied:

1.0<(R5+R6)/(R5−R6)<3.50.