Brand-new old stock VIVITAR Close-Up Lens Set is intended for prime lens w/55mm filter diameter. Set includes +1, +2, and +4 diopter filters that enable macro photography using a standard lens. They can be used singly or in combination for diopter range from +1 to +7. These filters are precision-polished optical glass. w/hard anti-reflection coatings. Each filter has a double-threaded retaining ring. The set includes a small leatherette compartment case w/snap closure. It is available for local pick-up in San Rafael, cash, Venmo, or PayPal.