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To comment on George's words,

>       Why all of the convolution with light bulbs?
>Why not just use the right bulb in the first place?
>Why not use the right color temperature? What is with
>the nickelrocketry? These (MR16) bulbs look like you are holding
>a candle underwater. Get a 50W 2400 kelvin, highest lumens
>you can find , and replace it every fifty hours. This will
>set you back a solid $4.00. If you can't do this I suggest
>you take up another sport where your life and your buddie's
>life isn't being gambled for a few bucks. You need the
>high intensity focused beam for proper signalling and to
>know your buddy is there without stopping and looking. I
>did a dive with a guy who had one of these on Saturday,
>and I wore out the trigger on my scooter and got
>whiplash from stopping and looking back, only to see
>his pitiful MR16 light head right in my face. This is the 
>kind of BLANTANT STROKERY that pervades the diving 
>community. Do it right or quit doing it. - George

IMO, a tight beam, (12deg in air or better) hight wattage MR-16 is more than
adequate for many diving situations.  When compared to, let's say a DR test
tube head (H1), the MR-16 is not that bad.  The beam is focused enough to make
clear signals and the light output is acceptable, although not as good as with
higher color temp. bulbs.  There are hundreds of different MR-16 bulbs and I
guess that your buddy just didn't chose the right one...

As far as nickelrocketry goes, is having an unlimited income a criteria to be
on this list?

As for your last sentence, I think you meant "Do it like George or stop doing
it."

Richard

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