 Cave Diving
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 Wreck Diving
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 Free Diving
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 Imaging
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 Equipment
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 Technology
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 Physiology
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 Conservation
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 Rebreathers
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 General Interest
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SATURDAY 16 MARCH 2019
8:00am — OZTek Pre-Registration & Ticket Sales Desks Open
8:30am — CONFERENCE DOORS OPEN
Click the Title of the Talk for more information
| Theatre > | Gombessa Sponsored by Blancpain |
Azimuth Sponsored by Nikon |
Kraken |
Scubapix Imaging Centre |
Exhibitor Centre |
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| 8:55 - 9:00am | Welcoming Address |
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| 9:00 - 9:45am |
World Premier - HMS Royal Oak - 80 Years Underwater
In October 2019 HMS ROYAL OAK will have been underwater for 80 years. - torpedoed by U47 on the night of October 13, 1939 inside the British Naval anchorage of Scapa Flow. The loss of the ship & 834 of her crew in the early in WWII was catastrophic. As a direct result the Churchill Barriers were built to block the Eastern Approaches to Scapa Flow. HMS ROYAL OAK – the protected war grave has a large profile both in and out with Orkney, she is the most intact dreadnought battleship in existence today yet little underwater imagery of the ship existed until now. A world premier presentation - learn about the ship and her loss as you are taken on a tour of the site with never before seen digital imagery. A must see event.
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Technical Freediving
Like other diving communities before them, the vanguard of freediving is now exploring pre-breathing mixed gas (at the surface) to improve divers’ safety & performance. Kirk, a pioneer of the use of oxygen & nitrox for what he calls 'technical freediving', discusses the theory, practice & open issues surrounding the cutting edge of freediving today.
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Rebreather Cannisters
Understanding rebreather canisters - combining various elements of research from civilian and military sectors explaining the limitations and correct usage of CO2 management systems and the link with rebreather design
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Imaging Centre open for viewing |
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| Break | 30 mins | ||||||
| 10:15 - 11:00am |
Hypoxia: Insights to a silent killer
How hypoxia can occur in diving, and how failure to recognise its onset is common, illustrating these principles with video and results of their recent experiments
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Photography and techniques from the Twilight zone
Michael will be focussing on the challenge and techniques for shooting safely and successfully in the open ocean with impetus on the world’s largest migration – animals from the Twilight zone
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Project Baseline
How citizen science can change the world and work to protect the world's water resources
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Essential Basics in Underwater Photography
Doesn't matter what camera you have, if you master the basic fundamentals in setting up your camera & strobes / lights, this will give you more time to focus on composition. Your shots will be free of backscatter & get pleasing results.
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Atlantis Resorts Philippines What to expect if you travel to the Philippines & stay at Atlantis Resorts / liveaboard
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| Break | 30 mins | ||||||
| 11:30 - 12:15pm |
Diving Canadian Arctic: The North West Passage
Nathalie spent a month crossing the North West passage to document the underwater world, having to find potential dive sites where nobody had dived before. Nathalie shares the ups and downs of Arctic exploration as well as the beauty of a harsh environment where the planet really looks like a planet.
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A Matter of Closure
Solving the Riddle of HMAS AE1 submarine, Australia’s First Wartime Naval Loss . It's discovery in December 2017 solved the 103-year-old mystery surrounding its final resting place. However, questions remained regarding what caused it to sink in the first place. In 2018, a detailed, 3D photogrammetric survey of AE1 was conducted. Because the site is located in over 300m, a remotely-operated vehicle & utilised camera equipment specially designed for use at great depth were used. Discover the methodology & equipment used to locate AE1, as well as the follow-up effort to document the site with still & video imagery, & photogrammetric recording. It also outlines archaeological evidence of the catastrophic chain of events that resulted in the submarine’s loss
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Breathhold Hazards - The Known & Unknown
Most breath-hold divers have an appreciation of some of the fundamental risks of participation, but many would be surprised by the gulf between what is held to be true and what is really known. This presentation will provide perspective on the current state of understanding and knowledge, highlight knowledge gaps, and address some common misunderstandings
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Mastering The Edit Suite
Editing often puts people off video - Peter shows you tips & tricks to get you editing like a pro & producing videos which truly represent the experience!
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Mares XR - The new Horizon  Discover what all the excitement is about - The new Mares XR - Horizon SCR Rebreather uncovered
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| Break | 30 mins | ||||||
| 12:45 - 13:15pm |
Rebreather Bail out - do you carry enough?
Explores how much is enough - what are the other safety ramifications and other safety topics being ignored by rebreather divers
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Battle of Sydney Harbour
May 31, 1942, the War in the Pacific rocked Sydney Harbour as it was attacked by waves of top-secret Japanese Midget Submarines. This ambitious attack shattered Australia’s illusion of safety and came just metres from altering the course of the war, leaving controversy and mystery in its wake. Using cutting-edge 3D photogrammetry and technical computer animation the team can now tell the true story of what really happened that fateful night using the wreck of the M-24 Midget Submarine as evidence.
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Freediving with Nature
An Australian record holding freediver who uses her breath hold to dive with whales, dolphins, manta rays and various species of sharks. Amber talks about her underwater experiences and the secrets to help create underwater interactions you'll remember for a lifetime.
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Discovering & capturing History
Photographing underwater history is question of discovery, adaptation and using what you have to get the best results. Julia uncovers the techniques of her photographic life of discovery.
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Nikon, Technology, Partnerships & School
Chris talks new technologies, like the mirrorless Z range & how it performs above & below the waterline.
How Nikon works with dive industry partners, who are they and what are the outcomes. And introduces the Nikon School with its new dedicated dive course & teaching you to become a better photographer (or videographer!) with your Nikon equipment. |
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| Break | 30 mins | ||||||
| 13:45 - 14:30pm |
WWII Aircraft lost at Sea
Revealing the Mediterranean’s rich wartime aviation heritage, using a range of 3D visualisation techniques
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Is there too much safety in Tech diving?
An insightful look into how 'safety' has been developed in technical diving. Using research from decision-making, risk management and human factors and demonstrated using real-world examples where the difference between life and death was minute, Gareth will show how safety is your perception.
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Patent Foramen Ovale (PFO) in Divers
Explanation of the incidence and significance of a patent foramen ovale (PFO) to divers, along with strategies to decrease the risk of DCS. Results of the recently completed Divers Alert Network (DAN) PFO Study will be presented.
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Optical Physics
How cameras and optics come together. - The thinking and science behind underwater optics.
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Mares XR - The New Horizon Discover what all the excitement is about - The new Mares XR - Horizon SCR Rebreather uncovered
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| Break | 30 mins | ||||||
| 15:00 - 15:45pm |
Extending the Boundaries of Human Undersea Resilience & Performance
As a research scientist, Dr. Kernagis focuses on studying ways to extend human performance and resilience against extreme environmental stresses - from undersea to high altitude to space. Dawn will present current research taking place to protect divers and other underwater operators.
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HMS Vanguard – 100 Years Underwater
Intro by Emily Turton. Visualisation of a war grave. Share the story of Vanguard while focusing on the challenges of digital documentation & visualisation of such a complicated site. Archive material & ships plans will be shown alongside new digital imagery & 3D models. Together these illustrate the ship as she was & illuminate our understanding of the layout & distribution of the wreck site today
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Cueva de la Pena Colorada
Sistema Huautla - Cave diving for science and exploration in one of the world's most spectacular deep caves
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How to shoot for contests and influence judges
A presentation on how to shoot and prepare for contests, from the pre-shoot idea stage right through to acceptable post process.
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Palau - Pristine Paradises Spawning, Wrecks & Tec  From Sam's Tours Palau Marc will show all the amazing things Palau has to offer divers of all experience & exactly what you can expect.
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| Break | 30 mins | ||||||
| 16:15 - 17:00pm |
Recreational SCR vs Technical CCR
In the diving community ‘easy’ SCR diving has been associated mostly with recreational shallow non deco diving, while CCR is mostly for technical diving.
In this presentation we will demonstrate that things are not so ‘straight cut’ & there is clearly a wide area where SCR can be the preferred dive tool. |
The sad fate of the HMAS Perth - almost gone but not forgotten
Since the discovery of the systematic unauthorised salvaging (plundering), archaeologists have been documenting what's left and what happens now.
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Unlocking the Jenolan Caves mysteries
Exploring deep sumps and the cave passage beyond within the complex 'Mammoth Cave' system at Jenolan - a grotty series of misadventures and logistical challenges
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OZTek2019 Underwater Photographic Competition Presentation including the 2019 Nikon Shot of the Year
Unveiling of the winners in the OZTek2019 Underwater Photography Competition & the 2019 Nikon Shot of the Year
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Island hopping throughout the Visayas in the Philippines Join Biggs, Sea Explorers Philippines, island hopping through the Visayas. Five destinations from whale sharks to pygmy sea horses & thresher sharks to combine in a unique island hopping concept.
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| 17:00pm | Exhibition Closes |
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| 17:30 - 18:30pm |
Tham Luang - Thai Cave Rescue
Australians of the Year Richard Harris and Craig Challen give a blow by blow account of the operation. All your questions answered.
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Tham Luang - Thai Cave Rescue
Australians of the Year Richard Harris and Craig Challen give a blow by blow account of the operation. All your questions answered.
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Tham Luang - Thai Cave Rescue
Australians of the Year Richard Harris and Craig Challen give a blow by blow account of the operation. All your questions answered.
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SUNDAY 17 MARCH 2019
8:00am — OZTek Pre-Registration & Ticket Sales Desks Open
8:15am — CONFERENCE DOORS OPEN
Please click the Title of the Talk for more information
| Theatres > | Gombessa |
Azimuth Sponsored by Nikon |
Kraken | Scubapix Imaging Centre | Exhibitor workshops |
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| 8:30 - 9:15am |
Under The Pole
A visionary longterm scientific exploratory expedition spanning years from Antarctia, French Polynesia & onwards to the Arctic. Where are they now, the logistics, discoveries, science and adventure of Under the Pole III.
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21 Years of CCR Business
Martin looks into the last 21 years of the CCR business to look at what we have learned, what we've forgotten and where we should be heading…
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Cook Island Crystal Cave Discovery
Spectacular cave discoveries in the Cook Island by their team in 2017 & 2018. Awesome videos and images of crystal formations to rival the Bahamas, the first time this has been seen in this region
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Breath-hold Worskhop Start the day right - come and enjoy a few breathing techniques with Adam Sellars. |
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| Break | 30 mins | ||||||
| 09:45 - 10:30am |
Temp sticks under the spotlight: CO2 monitoring in rebreathers?
Efficient removal of CO2 from the exhaled gas is crucial to safety during rebreather diving. Not surprisingly there has been a technological focus on monitoring of CO2 absorbent canister performance in rebreathers.
One such technology is so-called “temp sticks” which base predictions of remaining CO2 canister duration or impending CO2 breakthrough on progress of the exothermic reaction between CO2 and soda lime through the canister. We have previously reported the ability of several temp sticks to predict CO2 breakthrough in immersed rebreathers operated at surface pressure. We exposed them to exercise conditions simulating a typical dive (moderate exercise early with relative rest toward the end) and a dive with continuous moderate exercise, and found that temp sticks were accurate in the typical dive conditions but significantly less so in continuous moderate exercise. The latter result was inconsistent with manufacturer testing of temp sticks during moderate exercise conducted under pressure. We therefore repeated our moderate exercise studies in the Swedish Navy pressure testing facility. The results of these experiments will be presented at Oztek 2018. The current state of CO2 monitoring in rebreathers will be summarised. |
Talking Competiton
Neither tech nor recreational diving has a formal competitive component. Freediving does, though it is likely misunderstood by many outside this sport.
This talk will discuss what freediving ‘comps' are all about, present the (technical diving) depths & times divers are reaching, dispel the myths about safety (there have only been two competitive diving fatalities in the last 30 years), discuss special techniques involved & explain why a growing number of freedivers are flocking to compete. |
Polar Diving
Peter takes us on a journey into Polar Diving and shows us how to make the most of the Ultimate Cold Water experience
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Imaging Centre Open for viewing |
Thalassa Resorts Manado
Learn about Simone's two resorts in Manado and how she (& you) gives back to the local community by doing what you love best ... diving. community
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| Break | 30 mins | ||||||
| 11:00 - 11:30am |
Going Undersea to Get Out to Space
Dr. Kernagis will present an overview of her experience in living and working undersea with astronauts during the 21st mission of NEEMO (NASA Extreme Environment Mission Operations).
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Cave Diving Fatalities Monitoring & Prevention
This presentation will cover the history of cave diving fatality monitoring & prevention, a description of the current status & consider potential initiatives for the future, based on actual results. Evidence-based tips for safer cave diving will be covered by this highly active cave diver and real-life cave diving incidents will be described.
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Pressure - Lessons from the Deep
Adam explores how our brains deal with the Pressures and Stresses of everyday life and how we can combat these self-destructive patterns. You will get an in-depth insight into how Freediver’s can control their emotional state before putting their bodies through tremendous physical and mental stress and how this can benefit everyone in our fast-pace 24/7 modern world.
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Imaging, Conservation & Tourism Stuart has been shooting both stills & film for 30 years up on the Great Barrier Reef. A passionate conservationist, Stuart will demonstrate the power of imaging ad using images to deliver a conservation message. |
Wreck Diving around the world with Worldwide Dive & Sail Wreck diving around the world on Worldwide Dive & Sail liveaboards – Bikini Atoll, Truk Lagoon, Red Sea & Solomon Islands trip
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| Break | 30 mins | ||||||
| 12:00 - 12:45pm |
Using CCR for Mesophotic reef exploration & discovery
Dr. Rowley will share how she uses CCR technology to enable her to explore and make new biological discoveries at Mesophotic depths, yet also assist with reef conservation. Her research focuses on the exploration and discovery of biodiversity and the evolutionary ecology particularly of gorgonian corals at depth.
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Tech diving near misses
Diving with the isolator valve closed, breathing from the wrong tank, taking in a mouthful of caustic cocktail, these are the tech diving incident reports DAN collects and publishes. DAN also assists tech divers with decompression sickness, coordinates evacuations, and researches tech diving fatalities to identify potential issues that may need resolving. This presentation will highlight some of the more serious issues tech divers occasionally face.
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The Urban Water Odyssey
How to raise awareness about our source of freshwater and tap water in big cities? Nathalie engaged in a journey of 70km alongside the shore of the island of Montreal. The UWO exploration required as much planning and commitment as any remote area expedition. Through this presentation, Nathalie will share the behind the scene of all the challenges encountered during the dives.
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Advanced Techniques - taking your underwater photography to the next level
OK, you've been taking pictures underwater for some time now. You're taking really pleasing shots. You've managed to emulate some challenging images you've seen online taken by prominent photographers. Great! Now What? Pete provides some ideas to make your images your own.
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| Break | 30 mins | ||||||
| 13:15 - 13:45pm |
Camping in Cocklebiddy
An overview of the inventions, planning and rationale for spending 5 days camped underground in the second air chamber of Australia's longest underwater cave in late 2018. Sleds and stage batteries, cameras and movie nights, pushing the end and mapping the extension of sump 3 into the unknown. With great photos and video to show off Cocklebiddy as it's never been seen before.
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Solomon Island Deep Wreck Special
Pete's photographic presentation takes you into the history of the Battle of Guadalcanal & diving some of the best wrecks in the South Pacific including one of the most successful expeditions conducted on USS Atlanta sitting in 130m of water.
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Diving and Australian Consumer Law
Although the NSW Court of Appeal upheld the appeal of the dive operator in Lets Go Adventures v Barrett, several unresolved issues remain. This session discusses the Lets Go case, the implications for dive operators, and how consumer guarantees under the Australian Consumer Law have the potential to circumvent contractual waivers of liability.
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How to colour grade your video  There are 3 important things you need to produce great video - taking the footage, editing the footage & grading your footage
Pete - an expert in colour grading takes you through the basics and shows you how to get the best results from your video footage. |
Diving & Snorkelling in Antarctica & The Arctic Polar Diving & Snorkelling in Antarctica & The Arctic with Aurora Expeditions on board the ground-breaking, new, state-of-the-art vessel, the Greg Mortimer
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| Break | 30 mins | ||||||
| 14:15 - 15:00pm |
Thoughtful Management of DCS
The dive profile is most important, but there are a multitude of factors that can alter decompression stress. This presentation will consider key and contributing factors and the inter-relationships between them that can alter risk. Practical strategies to optimise decompression safety will then be discussed.
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Cold Caves of Canada
Avalanches, animals and access! These are just a few examples of some of the unique logistical hurdles involved with cave diving in Canada. This presentation will showcase several exploration projects from the Alberta Speleological Society currently in progress and dive into what makes cave diving in the Canadian rockies unlike anything else.
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The State of Scientific Diver Training in Australasia
Scientific Diver training courses claiming to meet the above requirements are advertised through various organisations within Australia & New Zealand, including ADAS, PADI and ORCA (all RTO accredited), as well as SSI & SDI/TDI (non-RTO accredited). This presentation aims to evaluate the adequacy of these options against both the proposed legislative requirements prescribed in the Australian Standard & international best practice
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Over & Under Photography Basics
Let Matty Smith, the guru of over & underwater imaging, teach you the tricks and get you started on your over & under photographic journey.
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Mares XR - The New Horizon Discover what all the excitement is about - The new Mares XR - Horizon SCR Rebreather uncovered
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| Break | 30 mins | ||||||
| 15:30 - 16:15pm |
Scapa Flow 100 - A Digital Tour of the WWI German High Seas Fleet
74 German warships were interned in Scapa Flow over the winter of 1918/1919. On the 21st June 1919, fearful that the British intended to seize his ships and denied up-to-date news from the Paris Peace Conference, Admiral von Reuter initiated his plan to scuttle most of the interned High Seas Fleet. Fifty ships successfully sank. This talk will take us on a digital discovery of the German High Seas Fleet prior to the 2019 centenary of their sinking this coming June, sharing some of the secrets the ships have to offer. It will describe the effects of the salvage and decay on the structures and share modern photographs and archival salvage imagery
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Freediving Forum
Kirk Krack, Amber Bourke, Adam Seller, Mandy-Rae Krack and Thibault Guignes present a lively panel discussion on freediving safety, mixed gas use, hunting, breath hold photography, and other topics. Facilitated by Michael Menduno
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Tasmanian Remote Sump Diving & Camping
Some of the coldest, nastiest cave diving in Australia is in Niggly Cave, 350m vertically down inside a mountain range. Just one cave in the Junee-Florentine drainage system - an underground maze of epic proportions. Just getting to the dives is a logistical challenge involving technical caving techniques & often camping inside the cave. A detailed explanation of diving & exploration in Niggly Cave plus discussion of the considerations involved with spending a night underground.
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Nikon, Technology, Parterships & School Chris talks new technologies, like the mirrorless Z range & how it performs above & below the waterline.
Learn how Nikon works with dive industry partners, who are they and what are the outcomes. And Chris will introduce the Nikon School with its new dedicated dive course & how you can learn to become a better photographer (or videographer!) with your Nikon equipment. |
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| 16:30pm (4:30pm) | Exhibition Closes |
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| 7:30 - 11:30pm | OZTek Gala Awards Dinner - ‘Lighthouse Gallery - Australian Maritime Museum’ Awards Presentations, Food & Fun |
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