The digital macro filter kit includes four close-up diopters of +1, +2, +4 and +10 magnification with a 52mm thread for easy screw-on attachment, effectively transforming your lens into a crisp macro lens.You can combine diopters to multiply magnification effect and add other filters for additional effects. Enables macro photography using a standard lens Includes +1, +2, +4 and +10 diopter filters