PLR Optics 67MM +1 +2 +4 +10 Close-Up Macro Filter Set with Pouch + Lens Adapter Tube For The Canon Powrshot SX50, SX40 HS Digital Camera Decreases the minimum focusing distance of virtually any lens to "Macro Lens" Includes +1, +2, +4, +10 diopter filters & ballistic nylon filter wallet "Dual Thread" design makes it easy to combine close up filters to create Extreme Macro effect and/or add other optics eg; Polarizing, UV, Warming filters Premium grade optical glass ensures no loss of detail Durable ballistic nylon filter wallet included