"Although I love my 18-200mm Nikon, this lens allows me to shoot down to f/2.8 across the entire 16-50mm range. Very well built. Much cheaper than the Nikon DX f/2.8 zoom with a similar focal lenght."
"While my 18-200mm lens is a great all around lens, this lens is fast enough to use indoors without a flash and is great for sports photography. The VR keeps tripod use to a minimum. Warning: it is built like a tank. Itis a pro lens and will last a lifetime, but it weighs a ton."