Pool photographer Pablo Martinez Monsivais used two cameras, both equipped with sound blimps. One was on a tripod, directly below the television camera, and operated remotely.
As Don Winslow of News Photographer magazine reported:
A little bit of White House photojournalism history was quietly made behind the scenes tonight: for the first time an independent press photographer made live photographs of the President of the United States during a televised address to the nation.
Until tonight, the old White House practice was to keep photographers out and then let them make pictures afterwards. All that changed after President Barack Obama's speech about the raid to kill Osama bin Laden.
In May, Stokes Young explained the background of the issue in a PhotoBlog post.