A 3rd type, tubular, like the Velux Sun Tunnel, provides less expensive, passive light in smaller areas for example closets, laundry rooms, pantries, hallways or second baths. Venetian blinds, blackout blinds and roller blinds can be found. Based on which type you end up picking, you are able to completely block light entering from the skylight or soften the sunlight to a diffused, gentle glow...