Kent Optronics - KOI Kent Optronics, Inc. offers two types of infrared scene projectors: a MWIR and LWIR two-color video projector and a SWIR multispectral polarized scene projector, and visible … Kent Optronics, Inc. offers two types of infrared scene projectors: a MWIR and LWIR two-color video projector and a SWIR multispectral polarized scene projector, and visible …