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At 10:56 25/10/95 -0400, you wrote: >Alex, > >The purpose was to come up with an inexpensive way to get a little closer to >live and mobile photography or video subjects at very shallow depths >(10-15') without spooking them with your exhaust. Barry's original post >didn't mention the depth range or intended use or purpose so it was open to >some confusion. However, I could probably see it work at deeper depths >under certain conditions as the exhaust wouldn't need to go all the way to >the surface, just far enough away (???) to keep the critters comfortable. > I experimented with this when I first got into photography until I discoved that it causes your reg to go into massive freeflow/turns your lungs inside out. You could not have the end of the hose significantly higher than the second stage. However, an old trick was to use a twin hose because the bubbles are behind your head, which makes a substantial difference to the fish. So maybe if you ran the hose a little way down your body it might give the effect you want. (Or buy a twin hose). Sorry, we seem to sliding into the UW Photo list here. Mark Caney Scubex, Cyprus (Time zone: GMT + 2) Tel: +357-6246680 Mobile: +44-370-453321
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