Kit Includes: Generic Metal 13pcs Step Down Ring 30-26mm,37-30mm,43-37mm,46-43mm,49-46mm,52-49mm,55-52mm,58-55mm,62-58mm,67-62mm,72-67mm,77-72mm,82-77mm
Compatible with the Canon, Nikon, Sigma, Tamron Camera.
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. If the first number is larger, it's a step-down.
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