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<p>[QUOTE="jtlee321, post: 3053211, member: 73983"]Lots of good information being posted in here. It took me a little while to get caught up.</p><p><br /></p><p>White balance was brought up, which is a BIGGY... Also having a fairly accurate display helps as well. If your display is not accurate, then you cannot ensure that the image you captured is accurate.</p><p><br /></p><p>Stability is another big factor. This can be accomplished in many ways, either a tripod or copy stand. I prefer the copy stand approach as you can ensure that the coin and imaging plain are parallel to each other, which in turn ensures that you have a nice sharp focus from rim to rim on the coin.</p><p><br /></p><p>Lighting has been addressed as well. Some of the most popular lights to use in numismatic photography are available from Ikea either online or if you have a local store. The Jansjo model is an LED based goose neck design with a fairly small head that is very easy to move into the exact position you need. However, these lights do NEED to be diffused as they use an RGB array to produce the white light. Without diffusion you will see specular highlights reflecting off of the surfaces of any coin with decent luster. The diffuser prevents this from happening. There are several different ways of diffusing the light from simple tissue paper, waxed paper taped to the head of the lamp, to using my favorite method, coin tubes. I use half dollar tubes made by Coinsafe. They are easy to identify as they are the square type with corners that protrude a bit. I remove the lids from the tubes and then place the actual tube over the head of the light. The diameter of the Jansjo head fits very snuggly into the coin tube. The translucent white plastic of the coin tube diffuses the light very well while not cutting down the amount of light still being transmitted. One drawback to this setup is that flare is easy to introduce, so you have to really pay attention to your setup.[/QUOTE]</p><p><br /></p>
[QUOTE="jtlee321, post: 3053211, member: 73983"]Lots of good information being posted in here. It took me a little while to get caught up. White balance was brought up, which is a BIGGY... Also having a fairly accurate display helps as well. If your display is not accurate, then you cannot ensure that the image you captured is accurate. Stability is another big factor. This can be accomplished in many ways, either a tripod or copy stand. I prefer the copy stand approach as you can ensure that the coin and imaging plain are parallel to each other, which in turn ensures that you have a nice sharp focus from rim to rim on the coin. Lighting has been addressed as well. Some of the most popular lights to use in numismatic photography are available from Ikea either online or if you have a local store. The Jansjo model is an LED based goose neck design with a fairly small head that is very easy to move into the exact position you need. However, these lights do NEED to be diffused as they use an RGB array to produce the white light. Without diffusion you will see specular highlights reflecting off of the surfaces of any coin with decent luster. The diffuser prevents this from happening. There are several different ways of diffusing the light from simple tissue paper, waxed paper taped to the head of the lamp, to using my favorite method, coin tubes. I use half dollar tubes made by Coinsafe. They are easy to identify as they are the square type with corners that protrude a bit. I remove the lids from the tubes and then place the actual tube over the head of the light. The diameter of the Jansjo head fits very snuggly into the coin tube. The translucent white plastic of the coin tube diffuses the light very well while not cutting down the amount of light still being transmitted. One drawback to this setup is that flare is easy to introduce, so you have to really pay attention to your setup.[/QUOTE]
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