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Importance Of Good Collimation


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That's it, line up the centre spot (ring) to the centre of the cross wires in the Cheshire tool and your done, do you have the Cheshire??

I tried lining up the ring with the centre spot from the collimation cap without using a cheshire and found it quite easy.

It all seems nicely lined up. Would a cheshire tool make it markedly more accurate- as the views were excellent tonight?

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I tried lining up the ring with the centre spot from the collimation cap without using a cheshire and found it quite easy.

It all seems nicely lined up. Would a cheshire tool make it markedly more accurate- as the views were excellent tonight?

A collimation cap is equivalent to a cheshire.

The tool that was referenced is called a cheshire/sight-tube combo. The sight-tube part does a good job in aligning the secondary mirror what was your original problem. A collimation cap does an "ok" job in aligning the secondary mirror but not as good as a sight-tube.

Having said the above, do take your scope out and enjoy it. If you like the views then there is no need to get the cheshire/sight-tube combo tool.

Jason

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