Century Optics 1.6x Tele-Converter Lens - for ENG/EFP Lenses

Century's new 1.6x Tele-Converter is an excellent way to extend the reach of your zoom. It attaches quickly to the front of the lens, shifting focal length range in the telephoto direction. Unlike internal and external tele-extenders, the Tele-Converter requires no exposure compensation. Adding the 1.6x Tele-Converter to a 15x8 f/1.7-2.0 zoom alters its working focal length from 8-120mm to 120-192mm. (At focal lengths shorter than 120mm, vignetting occurs). Combining the Century Precision Tele-Converter with a zoom's built-in 2x extender results in the longest possible reach - along with full zoom-through capabilities and no additional light loss. Engaging the internal 2x extender converts an 8-120mm f/1.7 zoom lens into a 16-240mm f/3.4, with a two-stop loss of light. Mount a 1.6x Tele-Converter onto the front of the lens and the resulting focal length range is an astounding 26-384mm f/3.4.