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Ideal watts for coin photos with daylight balanced fluorescent bulb?
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<p>[QUOTE="-jeffB, post: 2077114, member: 27832"][USER=9270]@kanga[/USER]'s point about stray light is important. The brighter your desk lamp is, the less other lights around the room will interfere -- but if there are reflections from your stand or camera, a brighter light will just make them brighter, too.</p><p><br /></p><p>Of course, you can compensate for dimmer light with longer exposures, so "ideal wattage" may not be a sensible concept. I think you need to focus more on color rendition index (CRI), color temperature (although you can compensate for that with camera settings or post-processing), and the surface area and direction of your light source. CRI is particularly important if you're trying to shoot toned coins.[/QUOTE]</p><p><br /></p>
[QUOTE="-jeffB, post: 2077114, member: 27832"][USER=9270]@kanga[/USER]'s point about stray light is important. The brighter your desk lamp is, the less other lights around the room will interfere -- but if there are reflections from your stand or camera, a brighter light will just make them brighter, too. Of course, you can compensate for dimmer light with longer exposures, so "ideal wattage" may not be a sensible concept. I think you need to focus more on color rendition index (CRI), color temperature (although you can compensate for that with camera settings or post-processing), and the surface area and direction of your light source. CRI is particularly important if you're trying to shoot toned coins.[/QUOTE]
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