Soft Rubber Collapsible Lens Hood for all size 55MM Lens Filter Thread This lens hood will fit any brand of lens with 55MM Lens Filter Thread. The Lens Filter Thread size is always preceded by a  (diameter) symbol. For example: 55 = 55MM lens thread size. Crack resistent, screw in, high quality rubber lens hood. Collapsible great for storage when traveling and retraction when not needed Compatible with the SONY Alpha (A77 A65 A55 A57 A55) DSLR Cameras. 18-55mm f/3.5-5.6 SAM DT zoom Lens. 100% Satisfaction Guarantee