Optical system and camera module

Abstract

An optical system according to an embodiment of the present invention includes: first to third lens groups disposed along an optical axis, wherein the first lens group has positive (+) refractive power, the second lens group has positive (+) refractive power, the third lens group has negative (-) refractive power, wherein an optical path control member being disposed between the first lens group and the second lens group is included, wherein the object-side surface of the lens being disposed closest to the object side in the second lens group has a convex shape in the optical axis, and wherein the first lens group and the optical path control member undergo OIS movement, while the third lens group undergoes AF movement.

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