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<p>[QUOTE=&quot;Publius2, post: 24896979, member: 105571&quot;]If the OP is simply looking for a recommendation as to which of the dozens of Chinese-made CCD USB microscopes to buy, I would suggest that they are all more-or-less the same.&nbsp; They are so inexpensive that you can simply buy one and try it out and if it doesn&#039;t work for you, then buy a different one.</p><p><br /></p><p>But if the issue is more complex, then what will work for you depends upon what you will use it for.</p><p><br /></p><p>Now, I collect capped bust half dimes by die marriage.&nbsp; Some of those diagnostics are extremely difficult to detect, especially on worn and/or toned coins.&nbsp; Also important is the absence of certain artifacts.&nbsp; I take decent macro photos using a copy stand and a Nikon 610 DSLR with Sigma 105mm lens.&nbsp; My typical file size is 8 mb.&nbsp; Due to lighting and other issues, blowing these photos up to show extremely small and/or faint die cracks does not always work.&nbsp; Neither does my good quality CCD USB microscope reveal some of these artifacts. The only thing that always works is my 10X/30X stereo microscope ($50 used at my local coin club auction) and that is because of the lighting, the stereo optics, the magnification, and the ability to tilt the coin to any angle to get the correct lighting contrast.&nbsp; This is particularly important when an artifact is hiding below the prongs of a slab.</p><p><br /></p><p>I offer the above not as a guide for the OP but simply as an example of how the needs drive the equipment.</p><p><br /></p><p>I suggest the OP analyze his current and possibly future needs and then purchase equipment that satisfies those needs.[/QUOTE]</p><p><br /></p>

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