Spectra Precision FOCUS 35 - StepDrive Motor System and Focus System

FOCUS 35 TOTAL STATION USER GUIDE
6 – Instrument Technology
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StepDrive Motor System and Focus System
Spectra Precision FOCUS 35 Total Station is equipped with a StepDrive motor system to position the
instrument and the telescope and a servo drive to focus the telescope.
Due to the instrument accuracy it is important to use a high quality tripod and tribrach. It is also
important to set up the tripod in a position for best stability, as shown. An unstable setup that could
negatively influence the resulting measurement precision.
Stable setup Unstable setup