The 30°-55° PHX Zoom ellipsoidals are state of the art luminaires in function, style, and efficiency. These ellipsoidals have been designed and engineered with a number of innovative details and features enhancing versatility and efficiency without sacrificing performance. A 360° rotating barrel help you keep the artistic part of your fixture's focus intact and easy to attain, and with virtually no light leak from the fixture itself, you won't have to worry about any extra light illuminating unwanted parts of the ceiling. The aesthetic appearance and ergonomically designed function controls only add to the appeal. All of these new and innovative options are what makes the PHX Zoom ellipsoidals ideal for theatres, long throw venues such as opera houses, or wherever superior energy efficient lighting performance is required.