An imager assembly for a vehicle includes a base plate. An imager is disposed above the base plate. A shroud is configured to engage a top portion of the base plate. The shroud includes a tapered profile with a narrow forward end and a widened rearward end. The widened rearward end defines an aperture that receives a lens cover in optical communication with the imager. An air scoop is disposed on a top portion of the shroud. The air scoop includes a forward mouth for receiving air and a rearward discharge that moves air across the lens cover.