Technical characteristics: Instruments Model : D-120 Per kilometre from the measurement standard deviation :&plun; 1.0mm * 1 Telescope :Just as Magnification :32 × Effective aperture :40mm The shortest-horizon :1m By constant :100 Constant increases : 0 Compensator :&plun; 15 ' Anping accuracy :&plun; 0.4 " Yuen Kok value blisters :8 '/ 2mm Characterization of disk : 360 ° At intervals of : 1 ° Temperature : -30 ° ~ +50 ° Weight machines : 2kg |