Procyon88
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Pre-owned for beginners. Is it a good idea?
in Getting Started General Help and Advice
Posted
I used to have a SW Pro 4 inch apo refractor, but the skies here are poor (on a clear night you can see third magnitude stars towards the zenith) it was no better than my SkyMax 102 Maksutov and I sold the apo. The Mak has no provision for collimation and hasn't needed any.