Optical system and camera module

Abstract

The optical system according to an embodiment of the present invention comprises a first to third lens group disposed along an optical axis, wherein the first lens group possesses a positive (+) refractive power, the second lens group possesses a positive (+) refractive power, the third lens group possesses a positive (+) refractive power, and an optical path control member is disposed between the first lens group and the second lens group, wherein the object side surface of the lens disposed closest to the object side in the second lens group on the optical axis has a convex shape, wherein the first lens group and the optical path control member move for OIS, and wherein the third lens group moves for AF.

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