Usually underwater digital cameras are used by serious professionals and are not a general piece of photographic equipment you can buy just anywhere The likes of marine biologists and other scientific personnel use underwater digital cameras to study life beneath the waves Waterproofing a camera is not an easy thing to do so many, so called, underwater cameras aren’t really designed for that type of work.
I just came from my holidays where I was using Olympus mju 850SW. It’s a nice camera with lots of fun options an good image quality.
The only way you are going to come close to taking proper underwater shots is by purchasing one of those little disposable units that can be used safely for about 50cm to 1 meter underwater.
There is lack of real underwater cameras owing to the problems of water ingress in to the camera and of water pressure Some of you may have seen or tried the cheap solution to this problem that comes in the form of a plastic casing. These cases have been very popular, especially with people on holiday that want to take a few underwater snaps with their favorite digital camera.
Before you rush off and buy one of these clever cases there is some information about underwater shooting you need to know.
Light distorts or diffuses underwater an effect that is made worse at greater depth. You will notice that images captured underwater are always darker and this is a The water also has a strange effect on how the pictures look giving them the appearance of being magnified. Many novices make the mistake of not checking the viewfinder carefully to make sure they are going to take a picture containing exactly what they want in the final shot.
You don’t want to have a camera that leaks when you go underwater so before you dive, check that the case is waterproof by holding it below the surface for a few seconds. which will allow water to access the case so look for this as well. To help combat any condensation, place a silica gel pack or two inside the camera case carefully making sure the camera will still work.
Optional lenses are often available so if you can add these to your underwater digital camera then do so. If you enjoy looking at things close up then you will need to fit a macro lens.
Also, remember to always wash of salt when you’ve used it under salt water because if the salts are not washed off, in time they will crystallize; and cause leaks in your camera case. It is not uncommon to experience the odd grain of sand getting into the case which will cause problems later on so rinse the case with a flow of clean water.
It is usually the better digital camera manufacturers that will manufacture the more specialized products like Nikon, Canon and Sony
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