Optical system and camera module

Abstract

According to an embodiment of the present disclosure, an optical system includes first to third lens groups disposed along an optical axis, in which the first lens group has positive (+) refractive power, the second lens group has positive (+) refractive power, the third lens group has negative (-) refractive power, an optical path control member is disposed between the first lens group and the second lens group, the lens disposed closest to the object side in the third lens group has the smallest effective diameter, the first lens group and the optical path control member move in an optical image stabilization (OIS) manner, and the second lens group moves in an AF manner.

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