Optical imaging lens

The invention provides an optical imaging lens comprising a lens group, and the lens group sequentially comprises a first lens to a fifth lens which are arranged at intervals from the object side to the image side of the optical imaging lens; a plurality of spacers; the lens group and the plurality of separators are accommodated in the lens cone; wherein the half Semi-FOV of the maximum field angle of the optical imaging lens meets the following conditions: 60 degree lt; the method comprises the following steps: carrying out half-FOVlt; 70 DEG C; the distance EP01 from the object side end face of the lens barrel to the object side face of the first isolation piece in the optical axis direction of the optical imaging lens, the distance EP12 from the image side face of the first isolation piece to the object side face of the second isolation piece in the optical axis direction, the effective focal length f1 of the first lens and the effective focal length f2 of the second lens meet the following conditions:-3lt