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What collimation tool do you use?
I use a Howie Glatter laser collimator with barlow lens. I every so often check collimation with a cheshire and find the Howie is always spot on.It is a well built and robust piece of equipment. It is a snug fit in focuser barrel and results are repeatable over & over again rotate collimator in focuser and dot stays centered no straying. But for all this to work centre spot on primary must be well centred as it must be for all laser collimators. It is an easy to use system for near perfect collimation.
I know catseye make an excellent product as well .
So what do you use?
Manny
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