The device includes a F550 tube, micro-adjusting part and a small base.

*Main Technical Parameters of Tubes:

  Tube length: 565mm

  Tube focus: 550mm

  Tube Aperture: 57mm

  Resolution: 3"

  Angle of field of view: 10°20

  Accuracy(Reticle’s division value): 30"

  Magnification: 5.7~7X

  The micro adjusting range of the front/back horizontal tube: 5"

      Horizontal: ≤10", 

   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