An image sensing device for preventing a crosstalk path is disclosed. The image sensing device includes a substrate including a plurality of photoelectric conversion elements, each of which generates and accumulates photocharges corresponding to incident light and a plurality of lenses disposed over the substrate, and arranged to receive the incident light and to direct received incident light to the plurality of photoelectric conversion elements, wherein the plurality of lenses includes a first lens and a second lens that are arranged to contact each other and have different refractive indexes from each other.