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Originally Posted by rusty
Hey Dujon
Thanks for the tip. I read your thread about collimation. I would be interested to hear how your Chesire works out for you.
Cheers
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Well, it was
rmcpb who brought up the subject, I was merely reinforcing the comment and urging you, if you can, to purchase one at the same time as your 'scope.
The Cheshire unit I purchased seems to be better than the original laser, but I've only had one short viewing after using it. As a matter of interest, I used the Cheshire and then checked with the laser unit. The laser unit indicated that I was out in my adjustments - but the slightest touch on the laser housing (for example turning it off/on) caused the 'red dot' on the primary mirror to move anywhere between the mirror centre mark and two-thirds of the way to the mirror's edge.
I'm sure that not all laser collimation tools are like this, otherwise others would have mentioned it.