The Canon WA-H58 Wide Attachment Lens for XA25, XA20 & HF G30 provides the flexibility to change the focal length of the XA25/20, G30 lens by approximately 0.75x for wide angle shooting with outstanding results. It must be used with the zoom positioned at the wide side. The subject will go out of focus if it deviates from the wide side.These lenses let you capture more by broadening the angle of view and increasing the depth of field bringing more area into focus. By expanding the apparent distance between the foreground and background, they provide a unique perspective. Their exceptional compactness allows for greater mobility.