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Unless I'm wrong, there'snot a whole lot of maintainance involved. You'll need special cloths to clean dust from the lenses and that's about it. If something wears down on the inside, that could be a problem (like where the diaphragm turns or the lenses turn. Any moving parts). If you're looking to save money, I'd think that a mirror-lighted 'scope would be cheaper.
That's about all I can offer you.
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