When you can se the edge with your naked eye - it is ready. (Old saying in Scandinavia).
The edge shall be 2-3 tens of 1 mm. When he edge, after som shapenings, has grown to 7-8 tens of 1 mm, it is time to grind the main edge so that the hooning edge go back to 2-3 tens of 1 mm again.
This is taditional way of making, and using, microbevells in Scandinavia. Our name for this edge is secondary bevels - och "brynegg" (honingedge).
Scandinavien traditional edges holds normaly around 10 DPS. This means that we use a honing edge on most of our knifes, but never om a knife used for woodwork.
If you by your self a Moraknife, the edge holds 11 DPS - and it also normally have a hooningedge, perhaps you need a loup to se it.
Thomas