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  1. R

    Hello. I have some questions about Laser Pointers.

    Because of my bad English?
  2. R

    Hello. I have some questions about Laser Pointers.

    Thanks for the reply. I can at least understand that as English itself, but for me it is really hard to translate those things and tell other guys. So i found out there is already translated Wikipedia. and this leads again, that individual sellers cannot calculate laser beam's brightness, since...
  3. R

    Hello. I have some questions about Laser Pointers.

    Thanks for the reply. If i am right, since nobody is using lumens in this place when talking about Laser Pointers, i have no idea how to say this to my friend. Everyone is using mW, and my friend does not want to use mW to show only the brightness of the Beam, since the beam itself includes...
  4. R

    Hello. I have some questions about Laser Pointers.

    Hey guys. I just joined this Forum. Please understand my bad English, since i am not a native English speaker. I'm college student who's major is Information and Communication Engineering. So i'm kind of interested in these lasers. Anyway, my friend just asked for help, cause he is re-building...




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