The Arri Arrisun 40/25 2.5/4K HMI PAR is a location work horse. Whenever you need to punch light through a silk or bounce light off a reflective surface, an Arrisun is the ultimate answer. At the design stage, the interaction of lamp, reflector and converter lens were taken into consideration and computer simulated, resulting in unmatched performance. The 40/25 can be fitted with a 2500 or 4000 W single-ended HMI lamp, making it a very versatile lighting fixture. A wide range of converter lenses ensure maximum beam control in all situations.