Looking to buy a camera that you can take underwater without a special housing? Learn more about the options and pitfalls of underwater cameras by reading the following tips:
1) Sealing: A fundamental point, you should make sure that the sealing is tight all around that waterproof camera, and especially so on areas such as the various openings for cables such as USB hubs, the battery compartment, and the lens opening if the camera is an LSR with exchangeable lenses.
2) Next, the picture quality: Nowadays most cameras come with at least 5 megapixels of resolution and you may want to stick to that. Less resolution only represents a small saving, and much higher ones won't make much of a difference for underwater cameras, except if you are a pro with special needs.
3) Looks and bulkiness. These are important, as you need to make sure that the device will fit your hand and your swimming or diving style. Some cameras come in bright colors to aid visibility, but not everyone likes them. If there is something that you miss, shop around some more and you may just find what you are seeking.
4) Enquire about the industry standard: This ensures that the waterproof camera has been professionally built and checked. For instance, JIS (Japan Industry Standard) 8 is good enough for a camera that you will only use in surface waters (3-4 meters maximum), while for a dive camera you will need it to conform to more exacting standards.
5) Features and extras: Check that the waterproof camera has all the things you need. Important ones for underwater use are shutter speed and burst picture mode, good lens aperture, autofocus, and a powerful flash.
6) Once you have that waterproof camera, spend a thought on cleaning the device regularly. This is very important as it will make or break the waterproofness of the device, and make all the difference between a long-term companion and a gadget that breaks down after the second or third dive. Sand and dust will be your greatest enemy.
7) Be aware of chemicals, they will also damage your camera's waterproof junctions. And it's not only nasty chemicals such as petrol. Chlorine will shorten the life if your camera, so keep it out of pools and only take it to natural freshwater or saltwater bodies. Use a cheap disposable waterproof "fun" camera to take pics of the kiddies in the pool.
8) Waterproof cameras have a maximum depth rating related to the pressure the delicate gaskets can bear, know about the one of your device and stick to it. Do not confuse waterproof with splash-proof either.
9) Acquaint yourself with your new waterproof camera gradually, trying out the various features and taking and pictures in a controlled environment before leaving on a big trip. This way you will avoid disappointment and also make more out of your camera in the end.
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