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Step 1
Understand the surroundings. There might be some indigenous fish that would make great subjects or the surroundings may contain obstacles, such as a delicate coral reef that cannot be touched. Find out as much as you can about the locale before going underwater.
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Step 2
Control and use depth of field in underwater photography. Depth of field refers to objects in focus within a specific distance. A photographer controls the depth of field by altering the aperture on the camera. This is same principal that is at work when a person squints to see an object in the distance.
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Step 3
Frame the subject of the underwater digital photograph. Rather than just snapping a picture of a subject alone, take the picture while peering through or around another object.
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Step 4
Take the picture against an uncluttered background. This is most easily accomplished by getting below the subject and shooting up towards the surface. This way it is less likely there will be distractions that take away from the subject of the underwater digital photo.
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Step 5
Pick the correct time of day to shoot the photographs. One challenge in underwater photography is the lack of available light. Sometimes pictures do not require much light or a person can use artificial lighting. However, if the photographer times the shoot correctly he can use natural light without any problem.
