An illumination device and a method for producing an illumination device are disclosed. In an embodiment an illumination device includes a light emitting element and an optical device with a first lens and a second lens, wherein the light emitting element has an emission surface on a side facing the optical device, wherein the optical device is subordinated to the light emitting element in a radiation direction, wherein the first lens is arranged on a side of the optical device facing the light emitting element, wherein a material, which has a refractive index different from a material of the first lens, is arranged between the first lens and the light emitting element, wherein a first surface of the first lens facing the light emitting element has a radius of curvature of at least 200 mm and a second surface of the first lens facing away from the light emitting element has a radius of curvature of at least 200 mm, and wherein the first lens has a thickness of at least twice an edge length of the emission surface.