Via: http://sonyalphanex.blogspot.com/2011/03/sony-nex-5-and-nasas-last-space-shuttle.html
It is a NASA project and I think it is quite interesting. As for the lens model used, it is a Nikkor AI 20mm F4 lens. And two are used (of course). It seems that NASA like to use Nikon gear for their space projects, back to the 60s. (If Nikon had a "mirrorless", I guess they would have already used it also!)
All Related:-
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