An exemplary embodiment of the present invention relates to an imaging lens, the imaging lens including, in an ordered way from an object side, a first lens having positive (+) refractive power, a second lens having negative (-) refractive power, a third lens having positive (+) refractive power, a fourth lens having negative (-) refractive power, and a fifth lens having a negative (-) refractive power, wherein the third lens takes a meniscus shape convexly formed at an object side.