About this item

• 9 pieces step down rings 49-37mm 52-49mm 58-55mm 55- 52mm 62-58mm 67-62mm72-67mm 77-72mm 82-77mm
• Extremely stable aluminum rings, high material strength and durability. Special fine processing process ensures a smooth surface
• The step-up ring allows size filters to fit on the lens with a smaller filter thread size. The step-down rings allow smaller filters and converters to be used on a larger diameter lens. The filter adapters can even be combined with each other to achieve the required size.