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ArcticMyst Security by Avery

focusing

Joined
Jun 20, 2010
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as seen as am new to the world of lasers can some one please tell me about focusing.... what is focusing to infinity ?
 





Joined
Jun 20, 2010
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so is it like a toruch when you spread the beam out ? the wide spread being infinty ?
 
Joined
Jan 2, 2009
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No...yes

Edit: Sorry language barrier. Yes to both. If you want to burn it has to be a pin point.
 
Last edited:
Joined
Jun 20, 2010
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cool thanks for cleaning that up. so what if u cant focus can you still burn ?
 




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