 |
|
|
AT-B2 |
AT-B4 |
|
Telescope |
|
Length |
215mm(8.46in.) |
|
Magnification |
32X |
24X |
|
Objective Aperture |
42mm(1.65in.) |
32mm(1.26in.) |
|
Resloving Power |
3″ |
4″ |
Field of View
(at100m/328ft.) |
1°20′
(2.3m/7.5ft.) |
1°25′
(2.5m/8.2ft.) |
|
Minimum Focus |
0.2m(7.9in.)from end of telescope
0.3m(1ft.)from instrument center |
|
lmage |
Erect |
|
Stadia Constant |
0 |
|
Stadia Ratio |
100 |
|
Focusing Knop |
2-speed |
1-speed |
|
Sighting Aid |
Peep Sight |
Gun Sight |
|
Accuracy(1km doublerun leveling) |
|
Without Micrometer |
0.7mm(0.03in.) |
2.0mm (0.08in.) |
|
With Micrometer |
0.05mm(0.02in.) |
n/a |
|
Compensator |
|
Type |
Pendulum compensator with magnetic damping system |
|
Setting Accuracy |
0.3″ |
0.5″ |
|
Working Range |
±15′ |
|
Circular Level |
|
Sensitivity |
10′/2mm |
|
Horizontal Circle |
|
Diameter |
103mm(4.1in.) |
|
Minimum Division |
1°/1gon |
|
General |
|
Water Resistance |
(IEC 60529:2001) |
|
Operating Temoerature |
-20℃to+50℃(-4℉to+122℉ |
|
size |
Width |
130mm(5.12in.) |
|
Length |
215 mm(8.46in.) |
|
Height |
140 mm(5.51in.) |
135 mm(5.31in.) |
|
Weight |
1.85kg(4.1lbs.) |
1.7 kg(3.7lbs.) |
|
