Hanimex 2x Auto Tele Converter for Canon FD Cameras, doubles the focal length of your telephoto lens so will make a 200mm lens a 400mm focal length, as with all 2x converters you loose two stop of light so will make an f4 lens effectively and f11 speed, cosmetically this converter is in mint condition with no signs of wear, optically the converter is in good condition and free from fungus and haze.

Teleconverters

S816 (21)