The Kase 72mm Wolverine Magnetic MCUV Filter is with Male 72mm Threads,you can mount it on any 72mm lens to protect the lens. | The UV filter also functions as a Kase Magnetic Lens Adapter Ring that allows nonthreaded Kase Wolverine magnetic filters to be used on a lens with 72mm front filter threads.Allows up to four nonthreaded Kase Wolverine magnetic filters to be magnetically stacked in front of a camera lens. | Made of Shockproof Tempered Optical Glass for shock resistance.6063 aviation aluminum frame ensuring great durability and jamming prevention. | The average light transmittance can reach 99.9%,which do not reduce the image quality.Double sided 26-layer HD nano multi-layer coating to prevent internal ghosting and reflections while further enhancing clarity as well as color fidelity. These coatings also offer greater protection to the filter substrate and help it to stay clean for longer than with uncoated filters. | Compatible with all 72mm lenses.Please verify your camera's lens thread size(usually marked somewhere on the lens barrel or printed underneath the lens cap) before ordering. The number is always preceded by a "ø" (diameter) symbol.