ï® The most common symptom is burning pain in the feet. ï° The common syndrome of painful burning feet is most often caused by a sensory. neuropathy with small-fiber involvement, accounting for more than 90% of such cases. ï° Other description of pain; stabbing, aching pains, electric shock-like, pins-and-needles.
The highest resolution available in an affordable film scanner (around $1000 US) is 4000 dpi. In this page we address the question, How much better could you do at 8000 dpi?, using the techniques developed in parts 1 and 2 of Understanding image sharpness..
DPI stands for Dots Per Inch which technically means printer dots per inch. Today it is a term often misused, usually to mean PPI, which stands for Pixels Per Inch. So when someone says they want a photo that is 300 dpi they really mean that they want 300 ppi. PPI is simple arithmetic, it is the digital photo's pixels dimensions divided into the paper size to be printed. A digital photo itself has no PPI, the PPI only occurs when it is printed (more explanation later).