trying to get recommendations on a good lens for night photography. Subject might be the sky/moon, fireworks and city shots. I know that they have lenses that are in the $1800 range, but I just spent that much on the camera and there's NO WAY my wife will go for a lens that pricey. Can anyone recommend an alternative, maybe in the $500 range?
D7100, 35mm 1:1.8G, 10-24mm f/3.5-4.5G ED AF-S DX, 24-70mm f/2.8G ED, 70-200mm f/2.8G ED VR II, AF-S VR Micro-Nikkor 105mm f/2.8G IF-ED