Benro
82-77mm
Magnetic Filter Stepping Ring
This Benro MDR8277 82-77mm Magnetic Step Down Ring can be attached onto your 77mm lens and allows other non-threaded 82mm magnetic filters to be held on the step down ring in a magnetic way. It is easy for different magnetic filters to change freely and avoid the stuck of two filters.
If your lens is a different size thread , you may purchase 82-67mm step down rings or 82mm adapter to suit other sizes of lens.