Mirrorless cameras are ideal for underwater photography because they are compact and lightweight, making them easy to handle underwater. They also offer excellent image quality and allow for interchangeable lenses.

Wide-angle lenses are the most versatile lenses for underwater photography. They allow you to capture a wide field of view, which is essential for capturing underwater landscapes and marine life.

Strobes are used in underwater photography to provide additional lighting, which is necessary to compensate for the lack of natural light underwater.

Hard housings are the most durable and protective type of housing for underwater photography. They are made of a rigid material, such as aluminum or polycarbonate, and provide excellent protection for the camera and lens.

A buoyancy compensator device (BCD) is used in underwater photography to control the camera's buoyancy. This allows the photographer to maintain a neutral buoyancy, which is essential for taking sharp and stable underwater images.

Red filters are commonly used in underwater photography to correct for the loss of red color, which is absorbed by water. Red filters help to restore the natural colors of underwater scenes.

Focus lights are used in underwater photography to assist the camera in focusing on underwater subjects. They provide a bright beam of light that helps the camera to lock focus on the subject, even in low-light conditions.

Dome ports are commonly used for wide-angle lenses in underwater photography because they provide a wider field of view and reduce distortion compared to flat ports.

Sync cords are used in underwater photography to connect the camera to the strobe. This allows the camera to trigger the strobe when the shutter is released, ensuring that the strobe fires at the right moment to illuminate the subject.

Lithium-ion batteries are commonly used in underwater photography housings because they offer a long battery life and can withstand the cold temperatures of underwater environments.

Moisture alarms are used in underwater photography housings to alert the photographer of a water leak. This allows the photographer to take immediate action to prevent damage to the camera and housing.

Manual mode is commonly used for underwater photography because it allows the photographer to have full control over the camera's settings, ensuring that the image is captured with the desired exposure, focus, and white balance.

Diffusers are used in underwater photography to soften the light from the strobe. This helps to reduce harsh shadows and create a more even distribution of light, resulting in more natural-looking underwater images.

Marine life photography is a type of underwater photography that involves capturing images of marine life in their natural habitat. This can include a wide range of subjects, from small invertebrates to large marine mammals.

Snoots are used in underwater photography to focus the light from the strobe. This allows the photographer to direct the light more precisely onto the subject, creating a more dramatic and controlled lighting effect.