![Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Nikon Digital DSLR Camera - International Version (No Warranty) : Electronics Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Nikon Digital DSLR Camera - International Version (No Warranty) : Electronics](https://m.media-amazon.com/images/I/51Dei+r1MPS._AC_.jpg)
Amazon.com : Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Nikon Digital DSLR Camera - International Version (No Warranty) : Electronics
3-way test: Nikon 16-80, Sigma 17-50, Nikon 50mm 1.8g: Nikon SLR Lens Talk Forum: Digital Photography Review
![Fast zoom lens battle: Canon 17-55 f2.8, Sigma 18-35 f1.8, Tamron 17-50 f2.8 VC, Sigma 17-50 f2.8 OS - YouTube Fast zoom lens battle: Canon 17-55 f2.8, Sigma 18-35 f1.8, Tamron 17-50 f2.8 VC, Sigma 17-50 f2.8 OS - YouTube](https://i.ytimg.com/vi/T3UfbsdfUu8/maxresdefault.jpg)