Slow motion control

  • Maja 

The slow-motion control function is used to make small, precise movements of a telescope to keep the observed object in the field of view of our eyepiece. With controllers, the user can easily follow the star as it moves across the sky. Slow-motion control is often used on non-motorized telescope mounts in the form of rods or knobs

Slow motion control

The example of a slow-motion controller on an equatorial mount

Depending on the type of mount, there can be a different number of slow-motion controllers installed on it. The mount can have a motion control knob on the x-axis, y-axis, or on both axes.

The slow-motion control function can be found on both types of mounts:

  • equatorial and
  • altazimuth.

Mostly they are installed on manual mounts, but they can also be found on computerized mounts. Some mounts have a built-in computer but no motor drive to move the telescope in the desired direction. No motor drive means that the user needs to move the telescope by hand or use slow motion controllers while the computer guides the way.

Some better and more expensive GoTo mounts also have slow motion controllers. With them, the user can still manually move the telescope in case the power runs out.

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