Dorothy,
Put down the camera and sit down next to your scanner.
Just a few minutes ago I revised three auctions on pricing. Lost my original images. Scanner right next to me. Scanned the coins with 3 different views each in minutes. Only had to press the icon and back to the eBay revised item picture gallery sight. No lighting, no downloads just great photos.
I shoot all types of coins mostly encapsulated coins. None of the camera fans have talked about the problems have with reflection, getting detail or glare bounce from proof coins. Cameras are poor on encapsulated coins.
My recommendation is the Microtek 5900. Specially made for encapsulated or wrapped images. Goes right through the plastic and details the coin. About $165 at Office Depot.
Kelly coin guy,
Try this for scanning your copper coins. Take duplicate pictures of the true color of the coin. Then use your tool bar to adjust the brightness to show the coins true detail. Explain this to your potential buyers. You are not deceiving anyone and your buyers will have a much better idea of the coin they will receive in lieu of a dark brown blob.