Ok I haven't taken my scope out in a few months because its way out of collimation and I have been too busy to mess with it. Now the star gazing bug has bitten me bad and Im ready to get out under the stars again. The past weekend I got all my equipment out and unboxed my new laser collimater and sure enough the red dot was about an inch (2.54 cm) to the left of the center mark on the mirror. So I realligned the secondary to make the laser line up on the center mark of the primary mirror and the
What you have described is a common issue reported by many who start collimating with both a laser collimator and a collimation cap. Think about it: The laser beam hits a tiny area on the secondary mirror and does not interact with the secondary mirror edge. Why would you expect a single laser beam to center/round the secondary mirror under the focuser?
The secondary mirror alignment consists of two completely different and independent alignments. This is the cause of confusion. The single lase