Main Technical Parameters of Tubes:
Tube length: 565mm
Tube focus: 550mm
Tube Aperture: 57mm
Angle of field of view: 10°20
Accuracy(Reticle’s division value): 30"
The micro adjusting range of the front/back horizontal tube: 5"
Vertical: ≤10" The shortest target of the level tube: 2m
The far target: ∞
Power supply for tube: 4.5~6V,2.1W
Switch power: 1~10A
Lighting source: cold light (with adjustable intensity), green