The prices differ based n the power level. You get what you pay for. Get the brightest laser you can afford, especially if you are using it in a light-polluted environment.
Check out the green laser that I fired out of the 24 inch TIE obervatory at Mt. Wilson
Matthew Ota
Check out the green laser that I fired out of the 24 inch TIE obervatory at Mt. Wilson
Matthew Ota
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