Shelf Bracket -Adapter Ring Highlights Generic Brand Adapter Ring Description: Allows you to use lens filters and accessories that are not the same size as your camera Lens lenses and filters are the same size and of different models, they don't always fit together correctly, but this step-up and step-down filter will solve that issue Step-up ring: Provide a way to fit larger diameter filters or accessories onto a longer Small Step-down ring: Provide a way to attach small filters or accessories for larger lenses Specification: Material: Aluminum alloy Black color 9 pieces of step-up rings (37-49mm 49-52mm 52- 55mm 55-58mm 58-62mm 62-67mm 67-72mm 72-77mm 77-82mm) 9 pieces of step-down bushings (82-77mm 77-72mm 72-67mm 67-62mm 62-58mm 58-55mm 55-52mm 52-49mm 49-37mm) Package includes: 18 x Adapter Ring