Beam light tube to reduce the light irradiation area for local lighting, the feature is to focus the light into a bundle, often used to highlight the side of the local light beam tube is hitting hard light, the characteristics of the honeycomb to follow the transmission of wood Of the light, light area is small, the intensity of irradiation, the level is very rich, light ratio, the use of beam light tube "hive" role is to let the light appear layered, more tough three-dimensional, shooting fashion personality male and female students more obvious effect .