What equipment do you need for underwater photography?

The key to completing underwater photography lies in the underwater protective cover of the DSLR camera you use. Such manufacturers are lkelite and Sea &；; Pay attention when buying the sea. You said that the cover you want to buy corresponds to the buttons of various control functions on the camera, so as to ensure the smooth setting of camera parameters underwater. Such as metering mode, exposure compensation, aperture and shutter value. In addition to the underwater cover, it is also necessary to have a reflection window compatible with the lens. It has a corresponding control part. There is a front flat projection window (for macro and close-range shooting, and a hemispherical projection window for wide-angle lens. The protective underwater cover is not cheap. If you don't want to spend a lot of money on it, you can consider using a plastic cover. Plastic is soft and clear, and buttons can be operated directly, but the only disadvantage is that it can't be filmed in deep water, and the lenses and accessories that can be used are limited. The choice of lens is mostly wide-angle and fisheye. It is best to shoot at close range. So you can choose to add a close-up and rangefinder. Underwater flash photography is sometimes necessary, so you can use one or two flashlights to shoot. With these accessories, before shooting in the water, you must master how to shoot with a cover and how to operate the flash, so that you will be handy after shooting in the water. The most important thing is to check the seams of all accessories and cameras before launching. A small crack will let water in under pressure. After photographing, handle the cover carefully and flash with fresh water, and ensure a dry environment before opening the cover. In case of water splashing on the camera.