Feature: 1. Professional Design: Specifically designed for Action 3 4 action cameras, providing more space for photography, and recording clear and vivid images of micro details. 2. HD Coating: The filter adopts a premium coating technique, providing better clarity and scratch resistance. It also features an oil and water repellent layer to prevent smudges and stains. 3. Convenient Portability: The ultra thin metal design makes it lightweight and easy to carry. Comes with a storage box, allowing you to transport and store the lens conveniently in your pocket or backpack. 4. 15X Magnification: The macro lens offers a 15X magnification ratio and a focus distance of 2 to 2.5cm, allowing you to record the finest details of objects. 5. Enhanced Creativity: Adding a macro lens to your standard lens immediately changes the focal length, offering a wonderful visual effect and expanding your photo possibilities. Specification: Item Type: Close up macro filter Material: Aluminium alloy, optical glass Weight: Approx. 35g / 1.2oz Fitment: Fit for Action 3 4 action camera. Package List: 1 x Close Up Macro Filter 1 x Storage Box