Tuesday, November 15, 2011

Cheap Underwater Camera

By Aikednea Johansen


There are a number of cameras that may be used in aquatic and underwater environments. Camera styles and makes range from specialized digital cameras to less expensive disposable cameras constructed for under the water use. Knowing some of the fundamentals of each type of camera can assist you to make a choice regarding a camera in which to invest, whether or not you're a professional or a budding amateur.

Some disposable cameras are designed for under water use. If you're going on a short scuba or snorkeling trip and need something to capture the images, then a cheap, disposable camera will 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. Keep in mind that disposable cameras can't be put through X-ray machines. The majority of disposable underwater cameras can be used at a depth of 50 meters.

You can 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 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. Producers of these specialized dive and sport cameras, like the Sealife Mini II, also create wide-angle lens attachments and video and flash lights.

Another style of digital cameras are point-and-shoot, non-DSLR models that can be submerged between 10 and 30 feet. You will find 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 provide high-definition video capabilities and other features, such as carabiner clips, LED illumination, touch screens and face-detection software program.

Specialized cases are made for traditional digital cameras that cannot be immersed underwater. These cases must be sized properly for your particular 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 amount of water-tight grease on the surface of the O-ring before re-inserting it into the case. Make sure to rinse the case in clean, fresh water after each and every submersion, making sure that sand and other debris are clear from buttons and gaskets.






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