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Things in space are not always what they seem. The question Why does there appear to be a 180-degree stereo microphone array outside the ISS? makes that clear.
What is this object shown to the right of astronaut Michael Foale in the BBC article The Astronaut Fighting to Save our Home in Space?
Michael Foale has spent more than a year in space on various missions (Credit: Nasa)
It's a light, or a luminaire if you're from Quebec.
The lights are part of the ETVCG (External Television Camera Group).
The picture is from a presentation on the new high-def cameras, which can be found here.
The light pans and tilts with the cameras, as seen in this picture from the same presentation.
You can see an ETVCG at the right of this picture from the STS-127 mission. It's watching the on-going robotic ops, probably the clearance between the shuttle arm and the Japanese module.
And here's a cropped version of that. You can see that the light appears to be on.
