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Re: [Homebrew_PCBs] LEDs versus tubes

2010-01-29 by Leon Heller

On 28/01/2010 23:49, Stuart Schaffert wrote:
>> Much better resolution is achieved with UV tubes.
>>      
> OK, I'll bite.  Why do UV tubes give better resolution than UV LEDs?
>
>    
Collimation.

Leon

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