Not quite what the OP is after, I know, but I used to use a 20x hand
magnifying lens to check stylus condition. It was adequate for that,
but no more.

On Sat, 14 Dec 2013 14:16:05 +0000, Eiron
wrote:

Having tried, I'd say that a USB Microscope from Maplin, Lidl etc.
would be useless for checking the condition of a stylus.
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