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You can return it for free within 14 days. We will come to your place, return it for free, and you will get your money back.
The MASSA step-up ring is a lens filter adapter from a 39 mm thread to a 42 mm thread. It allows 42 mm threaded accessories to be attached to a lens or barrel with a 39 mm thread, and its design helps prevent vignetting. Made of aluminum, it features a black protective coating for repeated screwing and unscrewing.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.