RMS error of measurements 
in one set:

- horizontal angle ..... 20”
- vertical angle .....30”

Telescope magnification ..... 20x
Angular field of view, degrees ..... 2
Minimum sighting distance, m ..... 1.2
Stadia constant .....0
Exterior diameter of objective lens mount, mm ..... 38
Dial division value, degree .....  1
Microscope scale division value:
- 4T30P ..... 5’
- 4T30P-10 ..... 1’

Magnification of optical centering device ..... 1.8x
Angular FOV of centering device, degree .....  8
Mass of theodolite in case, kg ..... 3.5
Mass of metal tripod, kg..... 4.5