Arri Junior 650 Plus Tungsten Fresnel Light with 4 . 3 Lens, Hanging Model, 650 Watt, 120 Volts AC. Arri Junior 650 Plus Tungsten Fresnel Light with 4.3 Lens, Hanging Model, 650 Watt, 120 Volts AC. The ARRI Fresnel series is ideal for use where compact, light weight tungsten Fresnel spotlights are required. Arri Fresnels are the perfect solution in small studios where grid height is a problem. The classic ARRI construction of corrosion resistant extruded and die cast aluminium maximises body strength while maintaining the light weight of an ideal location fixture. Despite the small size, short focal length lenses with wider angles give more light output and better light distribution over the full beam area. Arri Fresnels are available in both manual and Pole Operated version.