In this Video I modify my microscope to safely mount the camera and to be able to focus correctly. I put descriptions in the subtitles, if you like please activate it.
I heard that, when using the slitting saw, it's better to do a full depth of cut all at once rather than doing multiple passes since it helps with chip removal and whatnot.
At 7:01 when you are making the inner bevel, you are not doing it on the correct side, because the turn is counterclockwise and the turning tool is not.