The Sony VCL-HGA07B Full Range Conversion Lens (0.75x) mounts onto consumer camcorders with 37mm lenses, using its 'Quick Attach' feature. This HD lens gets up to 30% more in the frame than a standard zoom lens and provides up to 0.75x magnification. The lens is made of 4 elements and 4 groups, and features a 2.5" (62mm) lens diameter. A 30mm adapter is included with the lens for mounting on cameras with a 30mm front diameter.