100mW 532nm Green Laser Pen (2*AAA)
( 100mW 532nm Green Laser Pen (2*AAA) - Free Shipping )
and
True 50mW Green Laser Pointer Pen Black
( True 50mW Green Laser Pointer Pen Black - Free Shipping)
They both cost 18$ (0.2$ difference between them)
but one is true 50mw and one is normal 100mw
what is the difference?
which is better?
Thanks ~_~
Also,
what output of a laser i need for a beam like this in day\night?
http://www.youtube.com/watch?v=zCA_nQvppvM&NR=1&feature=fvwp
( 100mW 532nm Green Laser Pen (2*AAA) - Free Shipping )
and
True 50mW Green Laser Pointer Pen Black
( True 50mW Green Laser Pointer Pen Black - Free Shipping)
They both cost 18$ (0.2$ difference between them)
but one is true 50mw and one is normal 100mw
what is the difference?
which is better?
Thanks ~_~
Also,
what output of a laser i need for a beam like this in day\night?
http://www.youtube.com/watch?v=zCA_nQvppvM&NR=1&feature=fvwp
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