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... Do be careful that it is not tilted dispite what the others have said. recenlty i had all sorts of issues with my 10"... bloody tilted focuser. Though if you have just purchased it, you shouldn't have to worry about this just a simple colmination routine should see you good!
Easy way to see if your focuser is tilted is to look though a ceshire ep, rack your focuser in and out. watch the image of the 45 deg cut away(should look like a silver circle with a black dot in the middle. if it changes then its tilted to some degree start fiddling and rectify the problem.
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