It seems that Nikon quietly increased the prices of many (all?) Nikkor lenses in the US at the end of June – here are few examples sent by a reader who actually tracks the prices over time (based on B&H listings):
Nikkor AF line:
- 24-85mm f/2.8-4: $670 to $742
- 80-200mm f/2.8: $1,099 to $1,222
- 16mm f/2.8 fisheye: $899 to $997
- 20mm f/2.8: $549 to $622
- 24mm f/2.8: $360 to $392
- 28mm f/2.8: $274 to $287
- 50mm f/1.8: $120 to $132
- 105mm f/2 DC: $1,079 to $1,197
- 135mm f/2: $1,299 to $1,392
- 180mm f/2.8: $899 to $1,002
Nikkor AF-S line:
- 17-35mm f/2.8: $1,759 to $1,952
- 200-400mm f/4: $6,299 to $6,997
- 24mm f/1.4: $1,929 to $2,197
- 35mm f/1.4: $1,619 to $1,797
- 50mm f/1.4: $419 to $482
- 85mm f/1.4: $1,599 to $1,697
- 200mm f/2: $5,800 to $5,997
- 300mm f/2.8: $5,719 to $5,897
Nikkor DX line:
- 10-24mm f/3.5-4.5: $809 to $897
- 12-24mm f/4: $1,099 to $1,222
- 16-85mm f/3.5-5.6: $620 to $697
- 17-55mm f/2.8: $1,399 to $1,537
- 10.5mm f/2.8 fisheye: $689 to $772
Nikkor PC-E (tilt-shift) models:
- 24mm f/3.5: $1,999 to $2197
- 45mm f/2.8: $1,844 to $2,047
It could also be that a long term Nikon lens discount ended and the prices just went back to the original MSRP, but the fact is that you will have to now pay more if you want to buy a new Nikkor lens with US warranty.