22-1
22 PRISM SYSTEM
22
PRISM SYSTEM
Select a prism or a target depending on your purpose. The following are all special accessories (sold
separately).
•
When using a reflecting prism equipped with a target for distance and angle measurements, be
sure to direct the reflective prism correctly and sight the center of the prism target accurately.
•
Each reflective prism has its own prism constant value. When changing prisms, be sure to change
the prism constant correction value.
•
Plug-4 is necessary for the tribrach adaptor-2, tribrach adaptor-S2 and pole adaptor-F2 to coincide
with the height of this series.
Use the above prisms after setting them at the same height as the instruments. To adjust the height
of prism set, change the position of fixing screws.
•
During a traverse observavtion, it is recommended to use the same type (tribrach-TR-102/112) of
tribrach for the target.
Tilt single prism unit
Tripod
Target pole-2
Prism-2
Tribrach
adaptor-2
Tribrach
adaptor-S2
Tilting prism holder-2
with target plate-2
Pole adaptor- A
Tilting prism
holder-3
Single prism
holder-2
Pole adaptor- F2
Tribrach TR-102
Optical plummet tribrach TR-112
Plug-4
