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Old 29-11-2010, 08:55 AM
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erick (Eric)
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Join Date: Dec 2006
Location: Gerringong
Posts: 8,548
Lots of threads on collimation - I suggest that you read up on these.

If you are currently doing nothing to collimate, a cheap laser collimator will make it better. As you will read, both a cheap laser and the technique it uses to align the primary mirror are less than perfect, but much better than doing nothing. And easy as well - in daylight or at night.

Here is a cheap one:-

"Guan Sheng deluxe Newtonian laser collimator" at Andrews Communications:-

http://www.andrewscom.com.au/site-section-10.htm
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