Tiffen 55mm-52mm Step-Down Metal Adapter Ring (Lens (55mm) to Filter (52mm)) Made in Japan
New old Stock
Lens to Fit = 55 mm ( Male Threads = 55 mm )
Filter to Fit = 52 mm ( Female Threads = 52 mm )
This Stepping Ring enables a filter with an attachment ( 52mm Filter / Tube Adapter / Lens Hood / Lens Cap ) size of 52mm to be used with a lens of 55mm. Still confused email us to clear it up further and also look at second picture that will help you understand.
We do combine S&H charges.