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When I brought my laser it came with it's own collimation block..( you can also use the middle of an large open book ) the laser's body has 2 adjustment allen screws...set the laser to mark a target (a piece of masking tape on the wall will do nicely) about 4 metres away and mark the spot with a pencil..rotate the laser 180 degrees and mark the spot..make an adjustment then rotate back 180 degrees to the first spot..keep doing this until the spot is in the same position after rotating.
The focuser uses 2 thumbscrews to hold the eyepieces..I use the right-hand one first so I would do the same when using the collimators as I would do with the eyepieces.
Cheers!
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