Re: Infrared & Water

[Rolland Elliott <liquidriver@xxxxxxxxx>]

>>>>Perhaps you should ask yourself why "on a
practical level IR underwater 
photography is non existent". Maybe it's because there
is very little IR after you descend any significant
distance.>>>>

Obviously, you have done little or no underwater
photography. If you "descend any significant distance"
underwater photographers almost have to use strobes
99% of the time, which emit plentiful amounts of IR
and visible light. These strobes make up for the fact
that there is little IR and visible light at large
depths.  When one looks at the percentage of IR
shooters (extremely low) and the percentage of
Underwater shooters (extremely low) the statistical
conclusion is an extremely low number of IR Underwater
shots.  

Your conslusion is not scientifically sound. Water
does absorb IR light to a small extent, but not enough
to make Underwater IR photography impractical.
Especially considering that many underwater photos are
taken within one to two meters of the subject and with
high powered strobes. Try doing it before you say it's
probably not possible. Peace Rolland 



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