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<p>[QUOTE=&quot;rmpsrpms, post: 4889823, member: 31773&quot;]The high magnification numbers on these USB microscopes accounts for the &quot;magnification&quot; from the sensor to a normal-size monitor. So let&#039;s assume the sensor is 6mm on edge, and the monitor is a typical 23&quot; (diagonal) so about 19&quot; on long side, or 482mm. Then the &quot;magnification&quot; from sensor to monitor is 482/6=80x. This means when the scope is operating at &quot;300x&quot;, its actual optical magnification is 300/80=3.75x. I guess it&#039;s much better from marketing perspective to claim &quot;300x&quot; than it is to claim 3.75x, but in my mind it&#039;s a little bit disingenuous and really confuses a lot of folks.[/QUOTE]</p><p><br /></p>

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