Running an OpenStage Motion Capture system requires smooth consistent lighting. If you have purchased an environment package from Organic Motion it would have most likely come with a version of a Florecent Photography Light. Like any light, bulbs blow, and need to be replaced.
Our most typical fixture is a (2) bulb FloLight fixture containing bulbs with the following specifications:
Typical Part: Sylvania/Osram FT55DL/954/ECO