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<p>[QUOTE="Kasia, post: 1383941, member: 31533"]The higher loupes don't work for grading, because they give too much detail and imperfections that will interfere with giving a proper grade. Strange but true. Many people use either a 5 or 10 for grading. Also the field of vision diminishes when the power goes up, so you can't see as much area. For grading you want to be able to see the entire coin. </p><p><br /></p><p>As far as a digital scale, I bought one, but returned it because when I went to weigh the coins, it's variations of weight were not accurate enough. I now won't use one because I would want one accurate to .001 - if you get .01, that may not be enough. Many scales are not accurate. In other words a dime might weigh in at 3.5 or 3.4, or 3.1 and all be the same dime. To me that's not accurate to .01, it's accurate to .3. And the more accurate ones are ultra expensive. So if I have to discern only by weight, I would have to find one that someone would let me use that was more accurate.</p><p><br /></p><p>Also, be careful of the loupes/magnifiers that are cheap. They are really not as good. Invest in a good optics, like Bausch and Lomb.[/QUOTE]</p><p><br /></p>
[QUOTE="Kasia, post: 1383941, member: 31533"]The higher loupes don't work for grading, because they give too much detail and imperfections that will interfere with giving a proper grade. Strange but true. Many people use either a 5 or 10 for grading. Also the field of vision diminishes when the power goes up, so you can't see as much area. For grading you want to be able to see the entire coin. As far as a digital scale, I bought one, but returned it because when I went to weigh the coins, it's variations of weight were not accurate enough. I now won't use one because I would want one accurate to .001 - if you get .01, that may not be enough. Many scales are not accurate. In other words a dime might weigh in at 3.5 or 3.4, or 3.1 and all be the same dime. To me that's not accurate to .01, it's accurate to .3. And the more accurate ones are ultra expensive. So if I have to discern only by weight, I would have to find one that someone would let me use that was more accurate. Also, be careful of the loupes/magnifiers that are cheap. They are really not as good. Invest in a good optics, like Bausch and Lomb.[/QUOTE]
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