Century Optics 1.6x Tele Converter Auxiliary Lens for the Sony HDR-FX7 & HVR-V1U HDV Camcorders With Bayonet Mount -
Add the 1.6X Tele-Converter to the front of your zoom lens to shift its focal range in the telephoto direction. The perfect tool when it's inconvenient, dangerous, or even impossible to move as close to the subject as you'd like. There is no appreciable light loss.
For greater protection, the face of the unit offers 102mm threads for direct attachment of 102mm clear UV filters. Note that the Tele-Converter offers partial zooming, vignetting will occur at mid-range through full wide angle.