拍景要用广角，nikon金广角 14-24mm f2.8
http://www.amazon.com/Nikon-14-24mm-2-8G-Nikkor-Angle/dp/B000VDCTCI/ref=sr_1_1?ie=UTF8&qid=1331951886&sr=8-1
人像用85mm f1.4
http://www.amazon.com/Nikon-85mm-1-4G-Nikkor-Digital/dp/B003ZSHNE0/ref=sr_1_3?s=electronics&ie=UTF8&qid=1331951934&sr=1-3

最省钱的先买个定焦 50mm f1.8 拍人像就很好用了 物美价廉啊
http://www.amazon.com/Nikon-50mm-Nikkor-Digital-Cameras/dp/B00005LEN4/ref=sr_1_1?s=electronics&ie=UTF8&qid=1331952003&sr=1-1