1、Compatibility Enhancement: Designed for Ace Pro action camera, this lens filter adapter ring allows compatibility with 49mm round filters, eliminating the need to purchase duplicate filters. 2、Aluminum Construction: Crafted from premium aluminum alloy metal, the adapter ring is finely finished with high strength and toughness, ensuring a long lifespan for extended use. 3、Versatile Attachment: Featuring a snap on mechanism for secure attachment, this lens filter adapter supports the stacking of multiple filters, expanding shooting possibilities. 4、Protective Design: Equipped with anti slip rubber pad between the lens filter holder frame and the action camera lens, it prevents scratching and damage to the camera during use. 5、Enhanced Optics: This adapter ring not only improves light transmission and protects the camera lens but also ensures a comfortable shooting experience, making it an excellent accessory for action cameras.