Century Optics .3x Ultra Fisheye HD 43mm Partial Zoom Adapter -
The Century HD .3X Ultra Fisheye is a high-performance optic which features dramatic HD optics and a lens-saving front shade/protector assembly. The HD .3X Ultra Fisheye Adapter offers an extreme fisheye effect and a high degree of barrel distortion.
It exaggerates depth by pulling nearby objects closer and causing distant objects to recede into the background. On the Canon, the .3X Ultra Fisheye Adapter yields a horizontal viewing angle of 130° (180°, measured diagonally).
With small digital HD cameras and the Century Fisheye, capturing extreme action shots is dramatic and practical.