I did the same thing to a friends laser, firstly unscrew the gso case (as if you where changing the batteries), grab a hold of the laser pointer and pull it out there are 2 o rings holding the laser in. ditch one now while it is out unscrew the golden nose piece where the laser comes out, i used a piece of alfoil layed it over where the laser comes out then just screwed the laser cap back on used a thin nail that just fitted though the nose piece to pierce a hole in the foil, put the laser back into the gso case minus 1 o ring then screwed it all back together. use a v block mounted in a vice and a piece of paper for a target on a wall at least 4 meters away, then collminate. your laser will produce a nice round dot with a nice glow around it. this proves to work in the same manner as a barlow laser as the glow reflects a shadow back to the 45 deg cut away. its not bright but it does work!
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