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I think at the magnification we're looking at we're mostly seeing smoothness and not sharpness. Those chrome oxide edges may well be duller than the coticule and other fine stone edges. But they do...

Ah, I see you taped the edge for the test pass. That changes my interpretation quite a bit. I was assuming the odd look as you got away from the edges were purely due to DOF issues, but knowing...

Some quick thoughts...

First off, a big thanks for doing these studies.:)

Were the blades stropped after honing (other than the blades that were used on pastes)?

My assumption is that the...