Final Price Reduction!! SIGMA 150-600mm f/5-6.3 DG OS HSM Sports for Nikon (Lens) SIGMA TC-2001 (Teleconverter) Kenko MC PROTECTOR NEO 105mm (Protective Filter) The lens's autofocus (AF) does not work when extended beyond 300mm. Manual focus (MF) works normally. Appearance: The lens has scratches from use. The teleconverter is almost new. Optics: There is no dust inside the lens. There is no mold or clouding. Operation: The lens's AF does not function correctly when extended beyond 300mm, but MF works fine. Repair requires sending it to the manufacturer, and the repair cost is estimated to be around 40,000 yen. The teleconverter operates normally. Warranty: No warranty.