An essential accessory for photographers looking to use larger filters with smaller lenses, ensuring versatility and convenience. FeaturesAdaptability: Larger filters can be adapted to lenses with smaller thread sizes.High-Quality Material: Made of aviation-grade aluminum alloy, providing high strength and impact resistance.Anti-Reflective Surface: The surface process adopts anodized black treatment to prevent reflection during shooting, ensuring better image quality.Magnetic System: Stable suction with quick installation and removal, suitable for all K&F Concept magnetic lens filters.Compatibility Notice: The 82mm magnetic adapter ring can only be connected to the 82mm magnetic filter. It is not suitable for non-magnetic lens filters.