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Collimating A Nexstar 114GT

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Posted by Joe Roundy on January 15, 2002 14:57:41 UTC

I bought my 114 at Hands on Optics, used for a couple of nights and went back to collimate the tube. We (mostly they) adjusted the primary, as you stated, with the screws at the back end of the tube. The secondary adjustments are on the spider. Look down the tube, locate the allen screws on the spider. Turn those to adjust the secondary mirror.

HTH

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