This is a example of the Topaz Sharpening Program. This is 510kb file of a scan of a small photo. The hubster was sharing this image with a group discussing old ambulances.
The first is the original photo. I left both images at full size.
This image is the sharpened one. Notice how it brought out the detail in the boot laces in the man seated wearing the lighter colored clothes. Pretty impressive I thought. The image itself had some faults in focus but the program did quite well in repairing a lot of that.