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#1
04-24-2006, 02:12 AM
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 Re: You use different lenses underwater because the speed of light isdifferent 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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#2
04-24-2006, 02:20 AM
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| Re: You use different lenses underwater because the speed of light is different "Benoit T" <invalid@noos.fr> wrote in message news:444C6C4D.C0245398@noos.fr... > 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. Einstein gets blamed for everything....... |
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