11pcs Step-Up Adapter Ring Function Converts the thread size of your lens to the thread size of any other accessory (such as filters, hoods, flashes and lens converters) Easily screws onto the front of the lens of the same thread Feature - Brand new & high quality - Solid and light-weight - Great tightness, no wobbling or cross-threading - Superfine frame polished with strict surface treatment Application - Fits any lens with the same filter thread; manual or autofocus, digital or film. Remarks - The first number is always the lens thread size, the second number is the filter size of the accessory. - If the first number is smaller, it's a step-up ring - Compatible with the Canon, Nikon, Sigma, Tamron Camera - Manufactured by a professional team for photography enthusiasts to provide a very exciting experience. 100% Satisfaction Guaranteed. - Superfine frame polished with strict surface treatment - The first number is always the lens thread size, the second number is the filter size of the accessory. What's in the box Generic Metal 11pcs Step Up Ring 26-30mm,30-37mm,37-43mm,43-52mm,52-55mm,55-58mm,58-62mm,62-67mm,67-72mm,72-77mm,77-82mm