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<p>[QUOTE=&quot;SuperDave, post: 2288394, member: 1892&quot;]A bellows sets the magnification level of the lens, allowing you to use the same lens at varying magnifications (akin to a &quot;zoom&quot;). With the goal being to get a full-face coin image to fill the sensor (1:1 magnification), you can fine-tune magnification to that end. It can also be done with adapters and spacers, but that creates a fixed distance from lens to sensor and therefore fixed magnification. You don&#039;t want the same magnification for a Merc as you would a Morgan, all other things being equal.</p><p><br /></p><p>This is all necessary because the system uses film duplicating lenses, which are not only very cheap but also very good at what they do, and what they do (flat field, color-accurate, <b>sharp</b>) is exactly what we need in coin imaging.</p><p><br /></p><p>The lights are the Ikea-bought Jansjo LED&#039;s I&#039;ve mentioned elsewhere. They&#039;re a loss leader for Ikea, distributed around the stores in stackouts, and cost $10.</p><p><br /></p><p><br /></p><p><br /></p><p>It would <i>work</i>, but I don&#039;t see what it would improve that a scanner isn&#039;t good at. Won&#039;t improve color or luster reproduction.[/QUOTE]</p><p><br /></p>

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