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Message: <blockquote data-quote="Binastro" data-source="post: 3484090" data-attributes="member: 111403">The Celestron 8x30 (6.7x27) was given away, so I cannot check it.It seemed O.K. at the time.I tried to buy another sale one but they had sold out.It depends how much out of alignment they are. Sometimes very small errors are acceptable.I have sometimes looked through about 20 8x21s and only 3 or 4 were acceptable for one reason or another. I bought the few good ones for about £3 each and left the others.Maybe they are checked by very unskilled workers or not  checked at all.Or maybe the rejects are sold off cheaply.Who knows?Most people have no idea if a binocular is good or not.With the crazy small binoculars magnifying up to 70x or so, I estimate 2 out of 100 work even reasonably. Yet they are sold in quantity by mail order in the U.K.</blockquote>