The lens adapter is compatible with Insta360 Ace Pro and Ace Pro 2, it features a patented design that securely attaches to the lens position of the dive case. By installing the adapter, it can modify your Insta360 Ace Pro / Ace Pro 2 to accommodate most 67mm diameter external filters, macro lenses and wide angle lenses. By adapting suitable filter or lens, it breaks the manufactural limitation such as minimum focus distance, you can make perfect use of its high resolution and image quality performance. When diving or snorkeling, images will look more vibrant with proper filter installed. It can be adapted to wide-angle lenses to compensate for the narrowing of the field of view of the native lens caused by the underwater light refraction. It can also be adapted to macro lens to document fish ecology up close, and even capture amazing close-ups of marine life. This patented adapter is designed to be fixed to the lens position of the original Insta360 Ace Pro dive case. It is suitable for a variety of applications, allows you to use various of lens options to create stunning footage that used to be obtained with bulky photographic equipment. Note: The images displayed in the product description are only for demostration. The purchase of this product does not include the device, dive case, lens, filter or other accessories.