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Celestron 9.25 SCT Collimation Screws?

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I have a Celestron 9.25 SCT, but I can't see any collimation screws at the secondary mirror. The manual shows the screws clearly visible, but mine appear to be under cover, as shown in the photo. I know this mirror is removable to fit a Fastar system so I don't want to turn the wrong thing and see the mirror drop out. What precisely do you do to access the collimation screws and not remove the mirror?

Celestron 9.25 front.jpg

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just rotate the inner section (where the 3 finger holes are) to REVEAL the hidden screws :)

i do not mean the outer rim - this holds the whole secondary assembly to the front corrector glass plate

Edited by alanjgreen
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Hello there, was also unkown to me, though I have the C9.25 since almost 2 years, but they are there the screws, but are very well hidden.. just insert your finger in one of those 3 holes ( see picture ) and push them gently to side and you will see the screws..





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  • 2 years later...

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