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Hi Eric..yep!..I can remember the first time I collimated my Saxon 8" inch dob and straight away I knew I need some special tools..a set of of those watch maker screwdriver sets..particulary the ones with the allen/hex heads to adjust the secondary mirror...the grub screw size being 4mm x 20mm (which I replaced with a set from the reputible bolt supplier)..means careful tightening..no more than 2 fingers turning the allen/hex driver!
The central screw on the back of the secondary mirror would be the first to loosen off then just nip it up while adjusting the collimation screws..
When the laser precisely returns to it's source with the focuser fully in and out..that's pretty close!!
Cheers!
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