The art of underwater photography is only carried out using special marine digital cameras operated by professionals from many scientific disciplines. Using an marine  camera requires skill as you are operating in a foreign environment Many waterproof cameras are ok but they cannot be submerged for more than a meter below the surface of the water

If your in the market for one of these marine digital cameras to buy you could buy one of the cheaper options if you are only going below the surface for a short while and not to deep.

You see, water pressure is the real problem for these cameras as well as water leaks Of course quality camera manufacturers have overcome this problem by creating watertight plastic cases that encompass the digital camera. Cases like this, inexpensive in comparison to a real weatherproof digital camera, can for a while make you believe that you too are some kind of underwater photographer.

There are a few things you need to be aware of if you are taking photos underwater.

Water diffuses the light and the farther down you go the more this diffusion occurs. The result of this is a darkening of the captured image so adjustments to the white balance are needed. You will also notice when you see the pictures taken underwater that they appear larger than they should; this is part of the magnifying effect water has. You will have to pay more attention using the viewfinder to make sure you are achieving the shot you want.

It is a good idea to make sure that the camera won't leak whilst you are diving so just hold it under the water for a few seconds to be on the safe side. which will allow water to access the case so look for this as well. It is also advisable to put a silica gel pack or two inside the case of your marine digital camera as long as they don't disturb the camera's operation.

Optional lenses are often available so if you can add these to your marine digital camera then do so. Lenses that allow you to get really close to the subject can also normally be fitted jus ask if the camera has a macro facility.

When you have finished using your marine digital camera be careful to wash it thoroughly to make sure all the salt water is removed as the salt will crystallize and this can cause leaks. The best way to rinse of an marine digital camera where grains of sand are present in particular is with a flow of clean water.

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