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<p>[QUOTE=&quot;GDJMSP, post: 1018052, member: 112&quot;]Do you know why that is so ? It&#039;s because regular incandescent lightbulbs produce a yellow cast due to the wavelengths of the light produced by the bulbs. </p><p><br /></p><p>Ever notice on lightbuld packages they often have names like Warm White, or Cool White ? Warm produces a yellowish cast, Cool produces a blueish cast. Same for fluorescent bulbs. That&#039;s why the type of lightbulb you use for coin pics is so important. You need to use bulbs that produce the full light spectrum, not just a part of it.[/QUOTE]</p><p><br /></p>

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