Q: What is an IR lens, and what is its function? A: An IR lens is an optical lens specifically designed to collimate, focus, or collect infrared light. Its primary function is to manipulate infrared radiation within various spectrums, including near-infrared (NIR), short-wave infrared (SWIR), mid-wave infrared (MWIR), and long-wave infrared (LWIR). Back to top […]