K&F 77MM Magnetic Round Mirror Series Adapter Ring

77mm Empty Magnetic Base Ring (Works ONLY with K&F Concept Magnetic Filters / Quick Swap System). The 77mm magnetic adapter ring can only be connected to the 77mm magnetic filter

• * Stable suction, quick installation and removal, suitable for K&F Concept magnetic filter.
• * Made of aviation-grade aluminum alloy with high strength and impact resistance.
• * The surface process adopts anodized black treatment to prevent reflection during shooting.
• * Only applicable to K&&F Concept magnetic filter. Not suitable for transferring non-magnetic filters && non-magnetic filter adapters.
• * Notice: The 77mm magnetic adapter ring can only be connected to the 77mm magnetic filter