underwater Photo Course :: (3) Diving with a Camera :: Strategy :: Checking for Leaks
Checking your underwater camera for leaks!
U/W Photo Course
Learn u/w photography the easy way!
The first thing to do on entering the water is to check for leaks. This is
the critical moment for flooding. What many people do when they get in is to
submerge their camera and watch for external telltale bubbles. This is not
reliable though, as there is always an air trap somewhere on your camera, which
makes it look as though it is leaking.
With a Nikonos the bubble strategy is irrelevant as once you identify a
leak the water is in and you've already got problems! You can only rely on your
skill in putting your camera together (and your insurance).
There are a few tricks you can employ with a housingA casing or box with waterproof seals designed to contain a camera or other equipment in such a way that it can be used underwater....
- Perspex housings are at an advantage to be able to
visually detect leaks as they happen and, if not too severe, you may be able to
turn it so that the water doesn't touch the camera. But then, perspex housings
do have a tendency to leak more than other housings in the first place!
- With aluminum housings dip them in for a few seconds with the port
lowermost, and lift out in the same attitude. Any water finding it's way in will
collect there. If there's a problem get out, work out what it is, fix it, and
proceed. Alternatively, hold it above your head and look up into the port as you
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