Genustech 77mm 5 Step-Up Ring Kit (52mm, 58mm, 62mm, 67mm, 72mm, 77mm) A set of five different 77 mm step up rings. Allowing the use of 77mm filters and accessories on lenses with 52mm,58mm, 62mm, 67mm, and 72mm filter threads. Set consists of: 52-77mm step up ring 58-77mm step up ring 62-77mm step up ring 67-77mm step up ring 72-77mm step up ring