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<p>[QUOTE=&quot;rmpsrpms, post: 3032641, member: 31773&quot;]The highest optical magnifications you are likely to find are in the range of 5x. Most USB scopes are in the 1x-3x range. Almost all of the &quot;magnification&quot; quoted is digital. </p><p><br /></p><p>Now, that&#039;s not saying that 5x is inadequate. Filling the screen of an APS-C DSLR with the Date and MM of a Lincoln Cent is ~5x. The smaller sensors of the USB scopes have an even smaller field of view, or you could look at it as more &quot;apparent magnification&quot; or similar marketing nonsense. Going beyond 5x optical results in very narrow depth of field, requiring the lens to be stopped-down excessively to capture an image that is all in focus. Stopping-down further reduces the image quality, so 5x is about the limit to getting decent image quality with good depth of field.[/QUOTE]</p><p><br /></p>

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