Goecke 25MM Leica Plug Style Prism Tripods but this mirror provides a

but this mirror provides a much larger field of view

grade checking

eliminating the necessity of rework

the LT58G streamlines layout tasks on high ceilings with minimal setup time

the horizontal legs are situated just below the bore's centerline (photo at right)

Goecke 25MM Leica Plug Style Prism Tripods but this mirror provides aRobust, especially cheap and for many years proven prism with nearly indestructible tilt holder made of plastic, which performs consistently for the harsh conditions in tunnel and monitoring purposes. The centering of the prism is within 2 tenths of a millimeter. Robust clamp screw for the vertical axis, the unintentional rotation of the prism effectively prevented. The mounting of the tilt axis is deliberately kept too tight to avoid accidental