The optical plummet is twist-focus with 2.5X magnification
60-second adjustable plate vial
The precision-machined axis rotates 360º
Adapter is compatible with all prisms with a 24.9 mm bayonet base
Adjustable height is 100 mm-to-120 mm
Fits all standard three-prong tribrachs
The over point accuracy is 0.5 mm at 1.5 m
Grey color