Last night I took some nice shots of the night sky at the Hohe Wand plateau in Lower Austria. I used the Nikon D800 with these two lenses:
Nikon AF-S Zoom-Nikkor 14-24mm 1:2,8G ED
Nikon AF-S Nikkor 50mm 1:1,4G
The exposure times were between 8 and 15 seconds at 1000 to 1600 ISO.