Well, part of the problem for new guy is seeing, what is happening on the bevels and edge, the other is understanding what you are seeing or not seeing.
The more magnification you have the more you can see, to a point. USB scopes are great and show bevels at 200 and 400 X or more, but are a pain to use to hone with, great for learning or taking photos of issues.
I find 60 and 100 fast and easy to use, usually you just need a quick look to verify a problem area. So if it is easy and quick, you will use it often.
The 60x lighted Currency scope that sells for 2-5 buck and the Carson Micro Max 200 at 10-15 dollars are great and have been used by many of us for years and what I use for honing.
To understand what you are seeing, here is a good thread, with great micrographs from a new guy, going from repair work, to bevel set, to finish. It is long, but lots of good photos and info,
Second Try at Honing.
It will show you what to look for and what you are seeing.
The other thing I have noticed is, lots of new guys are not using enough pressure while bevel setting. You have to remove enough metal to get the bevels flat and meeting. Use some pressure, you can always re-set the bevel with less pressure after jointing the edge straight.
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