
Focal Length 75mm F1.2 Infrared Athermalized Chalcogen Lens Lwir Germanium Lenses for 640X512-12um. Athermalized Infrared Lens: 75mm F1.2 LWIR lens designed for stable performance across -40 to +80 degrees Celsius. High Transmission Rate: Average transmission exceeds 85% for optimal light capture in infrared applications. Customized OEM/ODM Service: Full customization available including dimensions, markings, and logo printing. DLC Coating Available: External coating options include DLC HD AR for enhanced durability and optical clarity. RoHS and ISO9001 Certified: Product meets international safety and quality management standards. Wide Operating Temperature: Operates reliably from -40 to +80 degrees Celsius for extreme environments. Fast Inventory Lead Time: 1-day delivery available for stock items; 25-35 days for new custom projects. Sample Support Available: Samples provided with minimal fees or free, customer pays courier costs only.