2/21/2012

Cheap Underwater Camera

By John GilbertGrant


You will find a variety of cameras that may be used in aquatic and underwater environments. Camera types and makes range from specialized digital cameras to cheaper disposable cameras constructed for under the water use. Knowing a few of the basics of each type of camera can help you make a choice regarding a camera in which to invest, whether you're a professional or a budding amateur.

Some disposable cameras are made for underwater use. If you're going on a short scuba or snorkeling trip and need something to capture the pictures, then a cheap, disposable camera is going to do the trick. Certain considerations 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 place through X-ray machines. The majority of disposable underwater cameras can be used at a depth of 50 meters.

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

One more genre of digital cameras 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 provide high-definition video capabilities and other features, such as carabiner clips, LED illumination, touch screens and face-detection software.

Specialized cases are made for conventional digital camera models that can't be submerged underwater. These cases should be sized appropriately for your particular camera model and size. Just before every submersion, inspect the O-ring particles for debris, such as hair or sand, that might cause 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. Be sure to rinse the case in clean, fresh water after every submersion, making sure that sand along with other debris are clear from buttons and gaskets.






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