Get Nikon 20mm f/1.8 at B&H Photo.
Nikon AF-S Nikkor 20/1.8G ED
The Nikon 20mm f/1.8G shows great potential for night shooting.
In my review of the Nikon 20/1.8G in DAP —
Nikon 20mm f/1.8G: Night Shooting
Includes uncorrected and corrected crops for color fringing study.
Saddlebage Lake at Night
Nikon D810 + AF-S Nikkor 20mm f/1.8G ED @ f/2, 259 seconds