Size Does Matter One of the significant advantages of the  Diamond 0.3x™/Stealth 0.5x™ are that they are extremely small in physical size.  Most other wide-angle lenses are over THREE times as big in length! Measurement chart:   Diamond 0.3x™/ Stealth 0.5x™ Kenko .42 Titanium .45 Diameter 44mm (1 3/4 in) 48mm (1 15/16 in) 58mm (2 1/4 in) Length (Depth) 8mm (5/16) 33mm (1 5/16 in) 35mm (1 3/8 in) The small physical size of the Diamond 0.3x™ and Stealth 0.5x™  have several benefits: Less wear and tear on a camcorder’s fragile frame Less wear and tear on the camcorders threads and lens Minimizes vibrations and camcorder shake Minimizes the chance of damaging your camcorder due to an object strike (factory service for camcorder repair is expensive and often takes several weeks) Makes your camcorder more compact and therefore more adaptable filming situations Avoid having to add extra support to a larger wide angle lens