[pphons1409]

Now I have D700 +

LENS
Nikon AF Nikkor 50mm f/1.4D
Nikon AF Nikkor 35mm f/2D
Nikon AF Zoom-Nikkor 24-85mm f/2.8-4D IF

I wanna buy a 超廣角變焦鏡頭(Budget below $7000-8000)
now I have these chances...(take environment photos)

1) Nikon AF Zoom-Nikkor 18-35mm f/3.5-4.5D IF-ED
2) Tamron SP AF10-24mm F/3.5-4.5 DiII LD Aspherical [IF] (B001)
3) Sigma 12-24mm F4.5-5.6 EX DG ASPHERICAL HSM

Can someone give me some sugggestion please, thanks~