Opteka Voyeur Right Angle Spy Lens for Sony Alpha A99, A77, A65, A58, A57, A55, A37, A35, A33, A900, A700, A580, A560, A550, A390, A380, A330 and A290 Digital SLR Cameras Point your camera one way and shoot the other with this right angle lens attachment Easily attaches to your lenses filter threads (58mm, 55mm or 52mm) This lens can be a valuable asset when shooting video (or still pictures) at the beach, pool, and other public places Accommodates all viewing distances from near wide-angle to full zoom Built-in rotating barrel to allow height adjustments. Compact, 3 1/2 inches long