This Sigma 150-600mm for Nikon-mount has been used less than a dozen times. Bought new from the Aussie distributor.This is the special kit version that comes with the 1.4X TC-1401 Teleconvertor. Condition is close to mint with just a few tiny blemishes on the caps and hood. Glass is perfect and unmarked in any way. Price includes GST and a Tax Invoice.