Nikon AF-4 Filter Holder

The Nikon AF-4 Filter Holder is designed to hold 4x4 inch wrattan (polyester) filters up to 2mm thick, attaching to lenses from 52mm to 95mm in diameter via a separately available adapter rings. Wrattan filters are inexpensive and readily available, making such a filter holder an economical purchase in comparison to multiple circular filters.

Price: 89.99 from Wex Photo Video