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<p>[QUOTE="tcorio, post: 312614, member: 11352"]Look into "Ring Lights" and "Axial Lighting".</p><p><br /></p><p>Ring lights wrap around the outside of the lens. They provide light that reflects off the coin at a very steep angle and from all directions. This works well for most coins that don't have a mirror finish and for small coins.</p><p><br /></p><p>Axial lighting provides light from directly above the coin, as if the light source was inside the lens. This effect is created by placing a sheet of glass between the coin and the lens at a 45 degree angle. A light source is positioned to the side. It's light reflects off the glass and down onto the coin. That light then reflects up through the glass and into the lens. In scientific applications a piece of glass used this way is sometimes called a "beam splitter".</p><p><br /></p><p>Search for those two terms ("Ring Light" and "Axial Lighting"). There are plenty of web sites with much more indepth descriptions.</p><p><br /></p><p>Good Luck,</p><p>Tim[/QUOTE]</p><p><br /></p>
[QUOTE="tcorio, post: 312614, member: 11352"]Look into "Ring Lights" and "Axial Lighting". Ring lights wrap around the outside of the lens. They provide light that reflects off the coin at a very steep angle and from all directions. This works well for most coins that don't have a mirror finish and for small coins. Axial lighting provides light from directly above the coin, as if the light source was inside the lens. This effect is created by placing a sheet of glass between the coin and the lens at a 45 degree angle. A light source is positioned to the side. It's light reflects off the glass and down onto the coin. That light then reflects up through the glass and into the lens. In scientific applications a piece of glass used this way is sometimes called a "beam splitter". Search for those two terms ("Ring Light" and "Axial Lighting"). There are plenty of web sites with much more indepth descriptions. Good Luck, Tim[/QUOTE]
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