Source Four Mini Lens Tube 19° WhiteGood things come in small packages. The Source Four Mini is everything you expect from the Source Four brand ease of use, superior optics, crystal clear image projection and a bright, even field but packaged in a tiny fixture that just one third the size of a traditional Source Four. A mere 23cm long, and available in both tungsten and LED, the Source Four Mini can go anywhere: museums, retail stores, restaurants, children theatres, and other small