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<p>[QUOTE=&quot;-jeffB, post: 26681732, member: 27832&quot;]The last time I mounted up my DSLR for coin photography, I tried both 2700K and 5000K LED illumination. I got much better results with 5000K. I still adjusted the white balance in the captured image to get the look I wanted, but 5000K was a much better starting point - when I started with 2700K, there just wasn&#039;t enough blue present in the captured image, and when I fixed the white balance, the blue channel was visibly noisy and blocky. 5000K gives a more even distribution of light across all three channels (red, green, blue), and makes it easier to capture an exposure that&#039;s good on all three.</p><p><br /></p><p>I now have one or two bulbs that advertise a super-flat spectrum with outstanding color rendition. They aren&#039;t very bright, but that&#039;s okay as long as I can just use a longer exposure to compensate. I&#039;m not sure it&#039;ll matter much for most photos, but it might be important for capturing rainbow toning, assuming I ever get any good rainbow toners...[/QUOTE]</p><p><br /></p>

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