Type
GW-X2
GW-X3
GW-X4
Parameter
Standard deviation of two runs per kilometer
1.5 mm
Telescope imaging
Erect image
Magnification
32x
Clear objective aperture
36 mm
Field of view
1¡ã20¡ä
Shortest focal distance
0.4 m
Stadia multiplication constant
100
Stadia addition constant
0
Circular bubble accuracy
8 ft/2 mm
Dial division unit
1¡ã or 1 gon
Working range of equipment
¡À15¡ã
Setting accuracy
¡À0.3 "
Threaded connection to tripod
M16 or 5/8 "
Waterproof
IP4