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<p>[QUOTE=&quot;Theodosius, post: 2780543, member: 77077&quot;]The CT photo gurus were discussing the effect of high Color Rendering Index (CRI) lighting on coin photos in a thread a while back.&nbsp; In a nutshell, the Sun is rated at 100 CRI.&nbsp; The higher the CRI value of light you are using the better colors will be reproduced in your photos.&nbsp; Over 90 is good, 95 is better.</p><p><br /></p><p>I realized the CRI values on the cheapo LED light ring and LED bulbs I was using were probably very low.&nbsp; I found a pair of $7 bulbs online that were rated at 90+ just to see how much difference it makes. </p><p><br /></p><p>It makes a lot of difference.&nbsp; Here is the old photo with low CRI lighting.</p><p><br /></p><p>[ATTACH=full]643066[/ATTACH]</p><p><br /></p><p>Here is the first photo I took of the same coin using the two 90+ CRI lights.</p><p><br /></p><p>[ATTACH=full]643067[/ATTACH]</p><p><br /></p><p>Wow.&nbsp; </p><p><br /></p><p>Maybe the $250 light panel rated at 95 CRI is worth investing in... the color is much better using the new cheapo lights, but still not exactly true to life.&nbsp; Much better, but there is room for more improvement.</p><p><br /></p><p>Please post any experiments you have done with CRI lighting values.</p><p><br /></p><p>John[/QUOTE]</p><p><br /></p>

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