The Raynox HD-2200PRO-LE High-Definition Super Telephoto Conversion lens is made of high index coated optical glass elements with a unique lens design that uses a two-group/four-element lens formula. This lens design made it possible to achieve an amazing high definition Telephoto lens with a resolving power of 200 lines/mm at the lens center. The HD-2200PRO-LE is an ideal accssory for high definition video camcorders.