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Robert Weis wrote: 

>  Has anyone seen an aluminum housing ever used as a light housing for UW
purposes?  How deep will a
> mag light go before it floods?

Several of the deep ocean high wattage lights use aluminum as the housing
material for two reasons: The alumium material can withstand greater depths
than a plastic counterpart (see previous post), and the aluminum is a
better thermal conductor for removing heat from the lamp head (big
consideration).  Still not advocating making an aluminum light head for
tech-diving shallow depths though.

The depth rating of a mag light is immaterial and doesn't warrant
discussion.   

My two cents,
Doug Chapman
  


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