High cost-performance infrared thermal imaging lens specially customized for drone field. Adopting 640×512@12μm high-resolution sensor with F1.0 ultra-large aperture, significantly improving low-light imaging capability and temperature measurement accuracy. 44.6°×36.1° wide field of view matches drone operation vision requirements, -5% TV distortion and 90% relative illumination ensure true and uniform images. Mechanical back focal length 7.5mm, image circle 10.44mm, strong compatibility. Chalcogenide glass molding process, lightweight, stable performance and cost-optimized, meeting long-term high-load industrial drone applications.