I have always just co-witnessed my visible laser through my optic, using an old license plate as the target, due to the retroreflective nature of license plates, when doing it during the day.
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Senior Member
I have always just co-witnessed my visible laser through my optic, using an old license plate as the target, due to the retroreflective nature of license plates, when doing it during the day.
Plus ça change, plus c'est la même chose.
老僧三十年前未參禪時、見山是山、見水是水、及至後夾親見知識、有箇入處、見山不是山、見水不是水、而今得箇體歇處、依然見山秪是山、見水秪是水。
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