Zoom Sag Scope
Our zoom sag scope has the item number of 22151, which weighs 1.6kg. It can provide up to 4 times magnification. In addition, this product is applicable to the observation of sag by adopting parallelogram method or unequal length method. The theodolite can be fixed on the angle iron of tower.
|Specification of Applicable Angle Iron||< 56~125|