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Wizard

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Wizard last won the day on February 1 2018

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  1. Well, the project is well underway I have a couple of spheres that are 12mm in diameter, since I don't have Photoshop, I measured the diameter in GIMP and it comes as 255 pixels, so it should be fine. The guide recommends the light distance to be 2-4 times the object's diagonal. In the case of 25-30mm coin that would be 120mm max. A bit too close for my liking to make it work. What would be the recommended light to object distance in this case?
  2. Thank you, Carla. How can I assess the number of pixels across the sphere? Not quite sure how to do that.
  3. Hi, this is a great forum that offers me potential solution to my coin imaging dillema. As a complete novice, who just explores this method, I have a couple of questions: 1. Coins are small, relatively flat objects, as everyone knows. How do I set up the scene for imaging to avoid ball shadows on the coin? Should I put my coin on a small stand? Should it be put flat or at an angle? Can more than one coin be photographed in one session? 2. Considering the typical coin diameter of 12-45 mm, what size balls should I use? Majority of my coins will be within 16-26 mm range. 3. Should I reduce the number of exposures? 4. Can I use a strong tungsten light, rather than flash? I am asuming, it will be rather close to the object. Thank you in advance.
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