The geo-FENNEL laser zenith plummet is a green laser beam which is upgraded version of FLP 100 Laser Plummet, it has high accuracy and better control over the product. A precise laser plummet incorporating a coaxial telescope for both laser and optical observations.

It is now possible to focus the down plummet for a sharper and more accurate point
The laser dot can be focused and observed through the telescope
Green laser dot (upwards) for best visibility
Illuminated plate level helps at adjustment under unfavourable light conditions
Calibrated PreCal