Optics are key components not only of many advanced civilian but also in military amenity protection, guidance, communication and visualisation systems. Requirements for lenses and optical systems in civilian and law enforcement applications are compactness, more spectral layers and versatility.
It can be used for land or naval surveillance. In case of large area naval surveillance for detecting maritime or other sea-borne objects water appears black when using a SWIR camera, as water is a good absorber of SWIR light. The boats can be spotted and tracked quickly and easily over very large areas.