Sigma EX DG 70-200mm F2.8 APO OS HSM Zoom Lens for Nikon DSLR F&R Cap & Hood
Sigma EX DG 70-200mm F2.8 APO OS HSM Lens - For Nikon AF DSLR's. Despite these additions, Sigma has managed to make the 70-200mm f2.8 EX DG OS HSM lens more compact than its predecessor. Sigma Front Lens Cap.