Tamron 17-50mm 2.8 lens for Nikon for sale. This lens is a great option for variable focal-length lens but still offering a wide 2.8 aperture all the way through. This version is not the one with vibration compensation I shied away from the vibration compensation as it has issues. With the wide aperture it offers, I havent ever felt I needed it. If I had to take my camera with just one lens, th...