Thread: Using a laser to Polar Align
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Old 24-10-2014, 12:51 PM
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RB (Andrew)
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Yes legal limit is 1mW but I bet you'd be hard pressed to actually find a true 1mW (using a proper Laser Power Meter), especially the cheap laser pointers coming out of China.
Green's your best bet for visibility (forget red or violet/blue).

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