Optodio Macro Photography 8-in-1 52mm Kit - Reverse Ring, Close-Up Lenses Metal Extension Tube Nikon DSLR This kit is a Macro photography kit - it does not include items like colored filters and lens hoods. Components of this kit exist solely to bring you closer to the subject you are photographing. Enables you to take macro photos without a macro lens. Or when used with a macro lens gives you increased magnification. Reverse Ring (52mm thread), 4 Close-Up Lenses (52mm thread) and 3 Section Metal Extension Tube (Manual focus only).