What lens is good for Nikon D90?

It depends on what you mainly shoot yourself.

In fact, the traditional 135 lens is generally divided according to the focal length. The more traditional approximate division is:

10- 17mm is super wide angle-mainly shooting scenery, especially large scenes, such as grassland, desert and sea;

17-35mm wide angle-scenery and culture, the main focus of this travel photo, especially suitable for travel shooting;

50-85 medium attention-humanities, portraits. The focal length of 85mm is especially considered as the best focal length for portrait shooting, so we can often see that a lens like 85mm F 1.8 is called portrait head.

105-200mm- telephoto lens (telephoto lens) is more suitable for close-up of people, shooting some lotus flowers, stage and the like.

105mm or more is the telephoto. Generally only 200mm, but some people like to shoot wild animals and birds with a focal length of 300, 400 or even 600 mm. ..

Macro-a macro lens specially used to photograph insects, flowers and other small things. This focal length is special, but the kind is very simple. Nikon usually has two macro lenses, 60mm and105 mm.