Nikon 55-300 VR vs Sigma 70-200 2.8 + TC: Third Party Lens Talk Forum: Digital Photography Review
Nikon 55-300mm VR
Amazon.com : Nikon AF-S DX NIKKOR 55-300mm f/4.5-5.6G ED Vibration Reduction Zoom Lens with Auto Focus for Nikon DSLR Cameras : Camera Lenses : Electronics