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No worries gb, but yeah it's a colour thing. Our eyes are just much more sensitive to green light. You need about 100mW before a red laser beam is clearly visible and even then a 1mW green laser will still appear much brighter.
They can get a bit distracting when you're dark adapted though so a bit of a dark bin bag plastic or something wrapped on the end dims them down nicely. The beam is visible in the eyepiece aswell so if the laser is well mounted you can bypass the finder all together and aim with the laser beam alone as Fernando pointed out.
j
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