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Couldn't Bring Into Focus

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Posted by Kip Crawford on August 16, 2001 00:08:05 UTC

If you are talking about the older scope, there could be a few things wrong. What eyepieces are you using and are you using too much power? If you have an eyepiece that is like 20mm to 25mm, then use that first. See if it will go into focus. Do not use a barlow or a higher power eyepiece such as a 12.5mm or 4mm. If the scope is using a 90 diagonal, it could be bad or mis-aligned. Also the focuser could be stuck. One way is to remove the focuser assembly from the tube and check it out. Use low power, and try looking straight through the scope without diagonal then with it. See if there is any changes. Good Luck!!

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