OPTICAL SYSTEM, CAMERA MODULE, AND ELECTRONIC DEVICE

WIPO Patent Application WO/2022/165840

A1

An optical system (10), comprising, in sequence from an object side to an image side, a positive first lens (L1); a negative second lens (L2), an object side surface (S3) of which is a convex surface near the optical axis; a positive third lens (L3), an image side surface (S6) of which is a convex surface near the optical axis; a fourth lens (L4), an object side surface (S7) of which is a concave surface near the optical axis, and an image side surface (S8) of which is a convex surface near the optical axis; a negative fifth lens (L5), an object side surface (S9) of which is a concave surface near the optical axis, and an image side surface (S10) of which is a convex surface near the optical axis; a positive sixth lens (L6), an object side surface (S11) of which is a convex surface near the optical axis; and a negative seventh lens (L7), an object side surface (S13) of which is a convex surface near the optical axis, wherein the optical system (10) satisfies: 1.2