Quote:
Originally Posted by multiweb
If you have rotated the secondary it is possible you won't be able to focus properly depending how it was figured. One way to find its original orientation in reference to the primary is to look on its side or back. There should be a mark that you need to align with the 3 o'clock position on the primary which corresponds to the focuser knob side looking from the back of the ota.
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thanks mark, i did not spin it around a number of evolutions, just one way and then tuther back to the same spot
mark i have read your stuff a couple of years ago stripping down your c11, is is bad that i can swivel the assembly round so easily? shoud it be fixed and immovable?
pat