Home-grown version:
- Lead screw: 3/16-100 TPI from Thorlabs
- Motor from Faulhaber, identical to the one used by Newport:
AM1020RC025008+10/1 256:1K179+MG0
AM1020.pdf 10-1.pdf0.000049609375 - 20 steps per revolution, 256:1 gear box. For 25.4 mm we need 100 x 20 x 256 steps i.e., 25.4 / (100 x 20 x 256 ) [mm/step] = 0.000049609375 [mm/step]