Subcategories
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Tripods and staffs
Tripods come in shapes and sizes. They are used for mounting the instrument, a target or a prism. The staff is used mainly for levelling.
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Targets and prisms
A prism is used together with an EDM for accurate range measurements. The targets are used together with a theodolite for aiming the instrument towards a point on the ground over which the target is placed (usually with plumb).
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Instrument acc.
In this category you will find such accesoires as are mounted on the instrument themselves. Items such as compasses, levels etc.