Sigma 20-40mm f2.8 EX DG Aspherical - Lens

Autofocus wide-angle zoom lens released for Nikon F SLRs by Sigma. Plastic and metal body available in matte black.

• Lens: Sigma 20 - 40 mm f2.8 D EX DG Aspherical (17 elements, 13 groups)
• Minimum focus distance: 0.3m
• Aperture blades: 8
• Size: 108 x 89 mm
• Weight: 595g