Probably one of the best sharpening system is TSPROF from Russia. It makes a lot of noise of enthusiast forums around the world.
There are many reviews of TSPROF sharpener on youtube
On the video , the knife is sharpened on this sharpener so much, that it
can remove the shavings from the hair. The video is enlarged.
For a comparison the rod of ballpoint pent is placed next to shavings of hair.