Canon Telephoto EF 85mm f/1.8 USM with 2x Teleconverter (4 Elements) + Nwv Direct Microfiber Cleaning Cloth

2x teleconverter (doubler) constructed with four optical elements. When fitted to a compatible lens it doubles the effective focal length while preserving high resolution and strong contrast. Includes Nwv Direct Microfiber Cleaning Cloth.You may also like 86mm UV (Haze) 1A Multicoated Multithreaded Glass Filter for Panasonic Lumix DMC-GH2.