A Tele-Converter adapter can instantly mount to the camcorder lens front either by a clip on effect or being attached via the screw thread on the front of the camera.
The most common Standard telephoto is a 2x which effectively doubles the focal length range in the telephoto direction, whilst maintaining the lens' original F-stop at full telephoto.
Professional Lens Adapters
These professional accessories will more than often feature multi-coated glass elements to deliver ultra-sharp images free of unwanted distortion or chromatic aberration. Equipped with a either a bayonet mount/Screw in or Clamp on, installation to the front of the camcorder lens is very quick, easy and secure.
Main brands of these professional quality converters are Century, Sony, Canon and Fujinon