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Anybody use a circular/ring lightbulb to photograph coins?
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<p>[QUOTE="rmpsrpms, post: 2704089, member: 31773"]I use ring lights quite often, mostly when doing high magnifications but sometimes when doing full-coin imaging. My original "smile director" concept is based on shaping the light coming from a Jansjo LED to look like a section of a ring light. This is for good reason...a full ring light gives an unnatural look to the image, similar to having too much diffusion, but sections of ring lights don't have this issue as long as they are carefully selected. Ring lights have the advantage of having the light source come from a narrow strip, and if this strip can be made to shine from high enough angle, it can accentuate toning colors. Too high an angle and you will get glare from the slab surface. These two requirements, "high an angle as possible" and "not too high an angle" are best met with a narrow arc of light that can be created by using a ring light and masking off those regions that cause too much diffuse or "fill" lighting.[/QUOTE]</p><p><br /></p>
[QUOTE="rmpsrpms, post: 2704089, member: 31773"]I use ring lights quite often, mostly when doing high magnifications but sometimes when doing full-coin imaging. My original "smile director" concept is based on shaping the light coming from a Jansjo LED to look like a section of a ring light. This is for good reason...a full ring light gives an unnatural look to the image, similar to having too much diffusion, but sections of ring lights don't have this issue as long as they are carefully selected. Ring lights have the advantage of having the light source come from a narrow strip, and if this strip can be made to shine from high enough angle, it can accentuate toning colors. Too high an angle and you will get glare from the slab surface. These two requirements, "high an angle as possible" and "not too high an angle" are best met with a narrow arc of light that can be created by using a ring light and masking off those regions that cause too much diffuse or "fill" lighting.[/QUOTE]
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Anybody use a circular/ring lightbulb to photograph coins?
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