BlueTech 2.5x Telephoto + 0.43x Wide Angle w/ Macro Close-Up Attachment Conversion Lenses For Sony Alpha SLT, A33, A35, A37, SLT-A55, A57, SLT-A57M, A57K, A58, A58, A58K, A65, A65V, A65VL, A77, A77, A77II, A99, A99V, A100, A200, A230, A290, A300, A330, A350, A380, A390, A450, A500, A560, A550, A580, A700, A850, A900 Digital SLR Cameras (Compatible With 30mm f/2.8, 35mm , 50mm f/1.8 DT, 50mm f/1.4, 55-200mm f/4.0-5.6, 85mm, 100mm f/2.8 A-Mount Lens) Compatible with 49mm, 52mm, 55mm 58mm lens thread The 0.43x Wide Angle Converter Lens increases the versatility of your existing lens to provide breathtaking ultra wide angle views. And it's so easy to use! Additionally the built-in macro lens allows you to take extreme high resolution close-up shots! Integrated macro atachment lens allows you to take an extremely high-resolution close-ups The 2.5x telephoto lens brings you twice as close to the action. Perfect for long-distance photo situations such as sporting events; candid portrait shots, as well as nature and wildlife photography. The 2.5x is NOT RECOMMEND for Telephoto Lenses.