http://www.nikonchat.com/85mm-1-8-nikkor/

What goals are much more similar to the Nikkor 85mm f/1.8 on quality?
I'm looking for a zoom lens, but with a shorter focal 85 mm, due to a sensor of 1.5 x crop the 85mm on my d90 is of very high quality in terms of portraits
A 50mm f/1.4 works well as a lens Portrait of a camera with APS-C sensor as the D90. For a zoom … I really like the 24-70mm f/2.8 lens, but will cost more than the camera did!
Nikkor 85mm f/1.8 Review