Underwater box photography involves using a specially designed enclosure, often referred to as an underwater box or housing. These boxes serve multiple purposes. Firstly, they protect the camera equipment from the corrosive effects of saltwater. A high-quality underwater box is made of durable materials that create a watertight seal, ensuring that not a single drop of water can penetrate and damage the delicate electronics and lenses inside.

　　Secondly, they provide a stable platform for shooting. Some underwater boxes come with adjustable mounts and grips, allowing photographers to position the camera precisely. This is especially useful when photographing stationary subjects like anemones attached to a rock or a clump of sponges. The box can also house additional accessories like external lights and filters. For macro photography enthusiasts, an underwater box with a built-in magnifying lens attachment can open up a whole new world of tiny details. From the minuscule tentacles of a nudibranch to the intricate patterns on a barnacle, underwater box photography enables the capture of these miniature marvels in a controlled and protected environment.