Telescope:
 length, mm ..... 145
 objective diameter, mm ..... 30
 magnification..... 20x
 image ..... erect
 FOV .....  2o
 minimum sighting distance, m  ..... 1.2
 crosshair range finder factor ..... 100
Readout system       micrometer
Value of micrometer scale division..... 10”
RMS error of measurement:  
 horizontal angle .....15”
 zenith distance .....  30”
Scale division value of:
 alidade level ..... 45”
 telescope level..... 20”
Operating temperature range, oC ..... -40 to +50 oC
Overall dimensions, mm ..... 110x157x225
Mass (including tribrach), kg ..... 2.4