<div dir="ltr"><div><div>I purchased a cheap chinese-made PTZ security camera with weather enclosure on eBay for home security purposes. Something like <a href="http://www.ebay.com/itm/NEW-HD-1-3-Sony-CCD-540TVL-Pan-Tilt-Zoom-PTZ-Vandal-Proof-Dome-CCTV-Camera-/132175552363?hash=item1ec646df6b:g:uFEAAOSwjqVZBPqE">this.</a><br><br></div>It was in a sealed aluminum housing with a thick glass globe and rubber gasket. I suppose you could try air compensating one for a periscope/third person sub view.<br><br></div>I was watching HURL dive on the japanese midget subs sunk off Hawaii on the Pearl Harbor anniversary. They had a 2 ROV setup with a small, nimble ROV getting closeups and a larger mother ROV hovering above the wreck, providing umbilical power, and a view of the entire wreck to better navigate the small ROV.<br clear="all"><div><div><div><div class="gmail_extra"><br>-- <br><div class="gmail_signature"><div dir="ltr">-River J. Dolfi<div><br><div>412-997-2526</div><div><a href="mailto:rdolfi7@gmail.com" target="_blank">rdolfi7@gmail.com</a></div><div><a href="mailto:rwd5301@psu.edu" target="_blank">rwd5301@psu.edu</a></div></div></div></div>
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