Optical Collimator F420-1T.
F420-1T is used for colibrating the autolevels and theodolite.
*Main Technical Parameters of Tubes:
Tube length: 520mm
Tube focus: 420mm
Tube Aperture: 55mm
Resolution: 3"
Angle of field of view: 10°20
Accuracy(Reticle’s division value): 30"
Magnification: 5.7~7X
Tubes position: Horizontal(0°)
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
Package: 1unit packed in one wooden case.
Wooden case dimension:103x90x56cm
Gross weight: 60kgs
