I got a cheap USB scope once. It has plastic optics that supposedly goes to 1000x. It had software that allowed me to control it with a smartphone. It did not seem to yield results that others were getting. In practice I found it less useful than a 10x lupe with glass optics.
After buying this binocular stereo wide field piece at 20x and 40x…
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… I decided it was a fun and really nice toy, but…
…can somebody explain why I have more than 2 razors anyhow?
It does help me see and understand the hollow bevels I am targeting, but I can’t document that my shaves are better by owning it.