| 摘要 |
PROBLEM TO BE SOLVED: To provide a collimation direction controller for a surveying instrument capable of easily regulating horizontal and vertical collimation directions by particularly providing a position operating means for regulating with accuracies of two stages. SOLUTION: The surveying instrument for regulating at least one of horizontal and vertical collimation directions by a motor comprises a rotational speed control switch of the motor, a rotational position control switch of the motor, a speed operating means 7110 for operating the rotational speed control switch, and first position operating means 7120 and second position operating means 7130 for operating the rotational position control switch of the motor.
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