Hi Greg,
I used the Vixen R200SS for about 10 months before it was banished to the garage. I had it collimated at the start by Astro Optical and despite being driven around NSW, the optics remained stable (..to my untrained eye at least..).
I know if I start using it again, collimation will be something I will have to learn and do.....maybe another reason to get the refractor!
Thanks
Ross.
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