Advantage: 1.low noise less than 65db 2.Modular design, big range ratio can be over 1000:1 3.low backlash: under 3 arcmin (2-stage within 5 arcmin 4.....
Advantage: 1.low noise less than 65db 2.Modular design, big range ratio can be over 1000:1 3.low backlash: under 3 arcmin (2-stage within 5 arcmin 4.....
Advantage: 1.low noise less than 65db 2.Modular design, big range ratio can be over 1000:1 3.low backlash: under 3 arcmin (2-stage within 5 arcmin 4.....