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<p>[QUOTE=&quot;RonSanderson, post: 3112863, member: 77413&quot;]The thread <a href="https://www.cointalk.com/threads/animation-and-coin-photography.297411/" class="internalLink ProxyLink" data-proxy-href="https://www.cointalk.com/threads/animation-and-coin-photography.297411/"><i>Animation</i> and Coin Photography</a> covers the technique for making these. I started out eager but ignorant, but received helpful suggestions from other members. I also have more information in post <a href="https://www.cointalk.com/threads/post-your-lincolns.192928/page-263#post-2967967" class="internalLink ProxyLink" data-proxy-href="https://www.cointalk.com/threads/post-your-lincolns.192928/page-263#post-2967967">#5245</a> in <i>Post Your Lincolns</i>.</p><p><br /></p><p>Today I received this. This first image is a full-color JPEG that is two photos cropped, resized, and joined to create one image of 1600x800 pixels.</p><p>[ATTACH=full]790203[/ATTACH]</p><p>I have the camera mounted on a microscope stand with the coin on the stand&#039;s bottom platform. The whole assembly sits on a small turntable I &quot;borrowed&quot; from my wife. I tilt the coin just a little so the bottom edge is a tiny bit higher. Then the lights are positioned at top left and top right (i.e. 10 and 2 on the clock) to illuminate it. I watch the image through the computer monitor until the light catches the fields to the left and right of Franklin&#039;s face.</p><p><br /></p><p>I take the first picture, rotate the camera/coin on the turntable just enough to see the lighting change a little, then take another. In all, I take 7 shots of the front and seven of the back. I straighten them, mask them with a circle, then crop and resize to 800x800. Then I join them in pairs - #1 front and #1 back together, to create a horizontal layout (shown above) and a vertical layout (shown below).</p><p><br /></p><p>Finally I build an animated GIF file. I run through images 1-7 in 1.2 seconds, then from 7 back through 1 in another 1.2 seconds. That repeats forever.</p><p><br /></p><p>I have my own software for this, but sites like giphy.com will let you upload your images and create the file for you.</p><p><br /></p><p>Unfortunately, .GIF files only support 256 unique colors within each frame. This reduction in fidelity, called color quantization, is visible as a small lack of sharpness in the full-size animation, because each pixel has its color shifted to the closest match within the 256 colors in that frame. The algorithms try to pick the best possible 256 colors based on the actual colors, but it&#039;s never going to be as good as the full-color JPEG at the top of this post.</p><p><br /></p><p>I think it took longer to write the explanation than to create this image (now that I have my workflow figured out).</p><p><br /></p><p>Now here&#039;s a question for you. Would a buyer, based on these photos, pay more than the $33 that I just paid? Just curious, in case I start selling off my stuff some day...</p><p><br /></p><p>[ATTACH=full]790207[/ATTACH][/QUOTE]</p><p><br /></p>

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