Cavision BWA05X86 0.5x Wide Angle Combination Adapter Lens is a broadcast class adapter lens for cameras with an 82-83mm filter thread on their existing lens. The wide angle coefficient is 0.5x which delivers a 50% wider angle than your stock lens.
This converter lens will allow your camera to focus when it is set into macro mode only. This lens is constructed of two separate lenses. This allows you to use it as a 0.5x or a 0.7x wide angle adapter lens.