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05-07-2011, 10:54 AM
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#1 (permalink) |
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what is the light beam angle?
seems i come this forum have a little long time,and i'm very enjoy here,everyone is so helpful and friendly.
now,i have a question that what is the lights beam angle? and i heard the lights have three kinds of beam angle,it is 60 degree,90 degree and 120 degree,but what is the difference of these beam angle? 
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05-07-2011, 12:11 PM
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#2 (permalink) |
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ComputerNerd/Aquahobbyist
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Re: what is the light beam angle?
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