A Norman, on camera...producing enough light to light and freeze the subject will not likely be balanced with the ambient light. You'll get a nice darkness behind that high-flying basketballer. Four ceiling mounted high power strobes illuminate everything in the shot evenly from anywhere in the arena (thank you, inverse square law). With a radio trigger, the shooter is free to roam and know he's got every shot lit. Virtually all Division I and absolutely all NBA arenes have at least one set and often many sets hung.