Despite what the others say, you probably wouldn't even notice them in use. I maintain a club telescope with quite a deep scratch in it and you'd never know it was there while you're using the scope. What matters most is how much area they affect. But it's a bit difficult to gauge the damage from a distance. I would consider buying a scratched mirror if I was able to see it first to see just how 'minor' they were. If you are short on funds it's a cheap way of getting a good scope!
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