What's the gig with the lack of Opti-Viewers or Optical Plus on eBay. There are none current or in completed auctions......I'd really prefer to use an Opti-Viewer over a light and mirror since it takes perfect eyesight to see a crack in the threads (and sometimes even that isn't enough). Any help or ideas? I created a custom inspection light. I am beginning to consider creating something like an opti-viewer.