froknowsphoto.com Click here to see the FULL RES sample images and analyze them for yourself. Today I got my hands on this $3199 lens at Allen's Camera 215.547.2841. This is a mega zoom that is a fixed 2.8 lens. What that means is if you are at 120mm it is a 2.8 and at 300mm it still is a 2.8. This is a very unique lens that no one other than Sigma make. This is the first version to have OS built in and from my sample images it really does a great job stabilizing you images. To get your hands on the FULL RES sample images please follow the link above.
Roger from LensRentals compares the different Nikon Supertelephoto lenses.