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Despite taking extreme care to ensure o-ring integrity after loading this camera the first time, it flooded on its first dive at 45 feet. I followed the manufacturer's directions exactly, ensured a clean o-ring and mounting, visually inspected the o-ring for stretch, tears, dust, hair, etc. prior to closing, all to no avail. A replacement camera from a no-name brand I purchased from a local dive shop on Bonaire for half the price as a replacement performed flawlessly through six reloads at depths of up to 100 feet. Hugely disappointing.