Perfect for long-distance photo situations such as sporting events; candid portrait shots, as well as nature and wildlife photography Multi-Coated (MC): Reduces glass flare & ghosting caused by reflections Multicoated Optical glass and steel barrel design are engineered to offer the highest level of precision This 2.2x professional telephoto conversion lens has been designed to meet the highest optical standards for it's type in the photography industry. It has been crafted to work with ANY digital, still and video cameras which have a 58mm filter thread. You just screw this lens on front of your existing lens or adapter. Optimized for use in digital equipment. Doubles your optical zoom. Bring your subject closer with ease.