I answered in other thread but my Atik 460 cooled ccd fan doesn't introduce any vibrations. It's a high quality fan, and it's hard for a 5g fan to introduce vi

I answered in other thread but my Atik 460 cooled ccd fan doesn't introduce any vibrations. It's a high quality fan, and it's hard for a 5g fan to introduce vibrations in a 100kg+ mount+telescope setup.