Buy SIGMA 17-70/2.8-4 DC MACRO OS HSM FOR NIKON @ 16% Discount. Features & Reviews Of SIGMA 17-70/2.8-4 DC MACRO OS HSM FOR NIKON: Brand: Sigma 3 Aspherical Lenses & 1 Extraordinary Low Dispersion Lens HSM ensures quiet & High speed AF Optical Stabilization 3 Aspherical lenss & 1 Extraordinary Low Dispersion Lens Lens for…Read the full article…