Features: Decreases the minimum focusing distance of virtually any lens to "Macro Lens". Includes +1, +2, +4, +10 filters & nylon filter wallet. "Dual Thread" design makes it easy to combine close up filters to create extreme macro effect or add other optics, such as Polarizing, UV, Warming filters. Design and produced using high definition optical . With close up lenses you can come closer to your object without actually coming closer to the object and you enjoy the closest possible image of your choice. Specifications: Material of filter: Optical Back thread diameter (attach to lens, male thread): 52mm Front thread diameter (attach additional filter, female thread): 52mm Package size: 10 * 9 * 3cm / 3.9 * 3.5 * 1.2in Package weight: 115g / 4.1oz Package List: 4 * Close-Up Macro Filters(+1 +2 +4 +10) 1 * Carrying Pouch