Vivitar Automatic Tele Converter & Zykkor Auto 2X Teleconverter Good used condition. Please see pics for description. Our pics are our description. Thank You. Magnification: 2X Mount: Nikon F (Non-AI/Pre-AI) Origin: Made in Japan Features: Automatic Teleconverter, includes rear cap Please see pics to evaluate. Thank You and be sure to check our other items for more great items. We gladly combine multiple items to save you on shipping. Don't like our price? We consider all reasonable offers! #Lightweight