Decreases the minimum focus distance Includes + 1, + 2, + 4, and + 10 Dioptrias Provides a shorter working distance Combine Filters for greater effect Front 55mm Filter Threads Includes protective filter purse Vivitar 55mm Close up Macro Lens Kit A simple and convenient method to ...Decreases the minimum focus distance Includes + 1, + 2, + 4, and + 10 Dioptrias Provides a shorter working distance Combine Filters for greater effect Front 55mm Filter Threads Includes protective filter purse Vivitar 55mm Close up Macro Lens Kit A simple and convenient method to shorten the minimum focus distance and minimum working distance, this Vivitar Close up Macro lens kit adapts to lenses with 55mm filter threads, and allows you to photograph topics closer in a more efficient way. This kit consists of + 1, + 2, + 4, and + 10 dioptric force lenses, and also includes a protection filter wallet for storage or travel. Each lens can be used to vary the degree of how much the minimum focus distance of the lens is reduced, and the close-up lenses can also be combined for even greater magnification.