不專業評測Nikon 16-80mm f2.8-4 及Sigma 17-70mm f2.8-4 C - Mobile01
Amazon.com : Sigma 17-70mm f/2.8-4 DC Macro OS HSM Contemporary Lens for Nikon F (884306) with Bundle Package Kit Includes: Pro Series Monopod, 3PC Filter Kit + More : Camera & Photo
Sigma 17 70 Nikon
Nikon AF-S DX Nikkor 16-80mm F2.8-4E ED VR vs Sigma 17-70mm F2.8-4 DC Macro OS HSM C: What is the difference?