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Subject: Re: You use different lenses underwater because the speed of light is different



dweeb a écrit :
>
> Dave Hillstrom wrote:
> > You can't use regular lenses underwater, that's why you always see
> > special cameras on ocean documentaries and such. People think it's
> > because they need to be waterproof but the real reason is the speed of
> > light underwater is different than in air and it makes the light bend
> > at different angles through the lenses.
> > Einstein proved it.
>
> Another moron in the diving world.
> Thanks PADI!

No, No. PADI have specific courses for each model of lens ...
that's why ... ;-)

Benoit.

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