Multi-Coated Optical Glass with Anti-Reflection Coating
Magnification 2x Elements/Groups 4
Description
A 2X teleconverter, also known as a teleconverter or tele-extender, is a lens accessory used in photography to increase the focal length of a lens. It effectively magnifies the focal length of the lens by a factor of 2x, hence the name "2X teleconverter".