Sigma 18-300mm f/3.5-6.3 DC MACRO OS HSM 2.2x High Definition Super Telephoto Lens (This Lens Mounts On Top Of The Sigma 18-300mm f/3.5-6.3 DC MACRO OS HSM lens, Includes Ring)
A high grade telephoto converter lens designed to mount atop traditional SLR lenses in order to increase it's maximum zoom by 2.2x (times). Perfect for nature and sports video and imagery. Eg, (A 50-200mm lens will translate to a 110-440mm). This Item Includes: Lens, Lens Cap, Lens Bottom Cover, Stepping Ring (72-58).