Quote:
Originally Posted by stevemc1
Yep, use it first with no camera. Always clean the O ring, and use silicone grease to lube the O ring. Always look to make sure it seats right when you are closing it. I have had problems with other UW cameras fogging right in front of lens. I put in a 1 gram bag of dessicant after camera is snugged in, I slide it next to it in a place that doesnt have a switch or lever. Never had a problem since. I bought a 2 lb bag of them on Ebay. It is because of the humid air and the cooler water temp and higher pressure.
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GoPro offers their own solution, as well:
http://www.goprocamera.com/products/...og-inserts.php
Anti-fog inserts that can be dried and re-used.