| 摘要 |
The present invention is to provide an imaging lens and an imaging device that achieve optical performance high enough for high-pixel imaging elements, and have the smallest possible sizes and thicknesses. In order from the object side, an aperture stop, a first lens having positive refractive power, a second lens having positive or negative refractive power, a third lens having negative refractive power, a fourth lens having positive refractive power, and a fifth lens having negative refractive power are provided, and the following conditional expressions (1) and (2) are satisfied: (1) 0.3<f1/|f3|<3.0, (2) -0.3<f1/f2<4.5, where frepresents the focal length of the first lens, f2 represents the focal length of the second lens, and f3 represents the focal length of the third lens. |
