Quote:
Originally Posted by va1erian
2) Five years would result in some oxidation of the aluminium coating of the mirror -- should I arrange to re-coat the mirror, or just buy a new telescope ?
I would appreciate hearing your comments, especially on the point 2.
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Does the mirror look clean & unmarked?
Have you had it out for an observing session yet?
I wouldn't be stressed at all to be honest... I own a Vixen R130SF that is many, many years old... the mirror has a few small marks on it but, the views from this scope are absolutely stunning!!
My advice FWIW is get it out & start using it... if the views are rubbish, then you have reason to take it back & ask for a refund... if not, then enjoy the hell out of it.
Many folk have reflectors that are considerably older than 5 years & are still getting very good views & just enjoying the whole astronomy experience; I really wouldn't be too worried about it...