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Lighting is a major impediment to vision when it comes to the deep waters and the SCUBA divers find it very difficult to see underwater. In night diving and deep day dives, this issue obviously is much bigger. The ability to see well under is enhanced by the usage of SCUBA underwater lights. SCUBA lights come in three major types depending on the type of the light outputs. They are Conventional, high Intensity Discharge (HIS), and the Light Emitting Diode (LED). The conventional type uses Xenon or Halogen lamps while the semiconducting devices are employed in case of LEDs. The density of the lights depends upon the duration of SCUBA diving and the depths to which a diver has to penetrate. |
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