The Bower 650-1300mm f/8-16 Telephoto Zoom Lens is an inexpensive stepping stone into the world of telephoto photography that where nature and wildlife shooters most often roam. The shyness often exhibited by wild creatures can be overcome by increasing the distance between the critter and the shooter. Often this is a distance is set by the subject rather than the photographer. A telephoto lens such as this one allows a person to keep a respectable distance that is comfortable for both parties without causing the photographer to lose the ability to fill the frame with subject. This Listing includes the following: 2x Converter T-mount 50pcs Tissue 3pc Cleaning Kit