Tuesday, November 15, 2011

Cheap Underwater Camera

By John Summerlake


There are a variety of cameras that may be used in aquatic and underwater environments. Camera styles and makes range from specialized digital cameras to cheaper disposable cameras made for underwater use. Knowing a few of the basics of each kind of camera can assist you to make a decision regarding a camera in which to invest, whether or not you're a professional or a budding amateur.

Some disposable cameras are designed for underwater use. If you're going on a short scuba or snorkeling excursion and want some thing to capture the images, a cheap, disposable camera is going to do the trick. Certain things to consider for disposable cameras might include dive depth, heat condensation building up from cool waters and warm air environments, and not having a flash. Remember that disposable cameras cannot be put through X-ray machines. Most disposable underwater cameras can be used at a depth of 50 meters.

You may get a special, rugged version of the disposable camera created with the diver in mind. In contrast to other shockproof, waterproof digital cameras, these diving and sport cameras have specialized dive and snorkel modes to help you get rid of underwater color distortion; rubberized grips around the camera's exterior; and wide-spread controls around the camera body for ease of operation. Manufacturers of these particular dive and sport cameras, such as the Sealife Mini II, also create wide-angle lens attachments and video and flash lights.

One more genre of digital camera models are point-and-shoot, non-DSLR models that can be immersed between 10 and 30 feet. There are a variety of producers for submersible point-and-shoots, including Olympus, Canon, Pentax, Fuji and Panasonic. These multi-use cameras are typically shockproof, freeze-proof, crush-proof and submersible up to a certain distance or temperature. Many of the recent versions of these cameras also offer high-definition video capabilities and other features, such as carabiner clips, LED illumination, touch screens and face-detection software.

Specialized cases are made for traditional digital camera models that cannot be immersed underwater. These cases should be sized properly for your specific camera model and size. Just before every submersion, inspect the O-ring particles for debris, such as hair or sand, that may trigger leaks while underwater. Apply a small quantity of water-tight grease on the surface of the O-ring before re-inserting it into the case. Be sure to rinse the case in clean, fresh water after each and every submersion, making sure that sand along with other debris are clear from buttons and gaskets.






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