GoPro HERO8 Black Underwater Protective Housing
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Shearwater – TERN
$850.00Shearwater’s most compact dive computer redefines diving convenience and versatility for sport divers. Incorporating a compact design with advanced features, the TERN provides an unparalleled combination of functionality and value. Its enhanced visibility, user-friendly interface, and compatibility with multiple diving modes, make it an essential tool for divers seeking reliability and ease of use.
Designed and Built in Canada and depth-rated to 120 meters.
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IANTD CCR FATHOM MK III DIVER CROSSOVER
$800.00This course is designed for certified rebreather divers on another unit who wish to learn how to dive a FATHOM MK III CCR.
The FATHOM Mk III CCR is designed to be the simplest and most intuitive closed-circuit rebreather for underwater exploration. Several years ago, as their dives became increasingly deeper and longer duration, Karst Underwater Research (KUR) divers recognized the need for a new closed-circuit rebreather (CCR) with excellent work-of-breathing and long scrubber duration that would stand up to the rigors of cave exploration. The short list of desired features included:
- a radial scrubber for the best possible work-of-breathing and scrubber efficiency,
- at least an 8 lb/3.6 kg scrubber capacity for long duration dives,
- back-mounted counter-lungs to maintain streamlining and easy stage-bottle handling,
- off-board gas addition capability for diluent/bailout, and
- mechanical oxygen addition for reliability.
Unable to find an existing unit that met these requirements, KUR diver Charlie Roberson started to design what would eventually become the FATHOM CCR. There are no easy decisions when it comes to rebreather design and every choice, every dimension, every o-ring, was debated endlessly with fellow KUR divers. Ultimately, the final decisions were Charlie’s and his background as a machinist in the US Navy and Hogarthian/DIR cave diver guided him towards simplicity and functionality. The result of these efforts was the FATHOM CCR. Refinements to the original design continue and the FATHOM Mk III CCR is the latest version.
As with any diving equipment, it is essential to receive proper training and certification before using the FATHOM MK III or any rebreather system. Diving with a rebreather requires additional knowledge and skills beyond open-circuit scuba diving due to the different gas management and potential risks associated with closed-circuit systems.