E.g. the Ge lens used in planar wide-angle altazimuth, indirect ophthalmoscopy lens in ophthalmic diagnosis, Zoom lens of camera, all were minor aspheric component.

• 例如，红外广角地平仪中的锗透镜、眼科诊断用的间接眼底镜、变焦照相机镜头、刻录机光头等都是小型的非球面元件。