Manufactured meticulously according to current international standard. Steady air-damped compensator with high precision. Stronger aseismatic capability. Friction-braked rotation and endless horizontal drive. Sealed construction for use in various weather conditions.
Technical Data |
DS24 |
DS28 |
DS32 |
Standard deviation for 1km double - run leveling |
2.0mm |
1.5mm |
1.0mm |
Telescope |
erect |
erect |
erect |
Magnification |
24× |
28× |
32× |
Clear objective aperture |
40mm |
40mm |
40mm |
Field of view |
1° 20′ |
1° 20′ |
1° 20′ |
Shortest focusing distance |
0.65m |
0.65m |
0.65m |
Multiplication factor |
100 |
100 |
100 |
Additive factor |
0 |
0 |
0 |
Waterproof |
yes |
yes |
yes |
Working range |
± 15′ |
± 15′ |
± 15′ |
Setting accuracy |
± 0.5″ |
± 0.5″ |
± 0.5″ |
Sensitivity of bubble |
8′ /2mm |
8′ /2mm |
8′ /2mm |
Circle graduation |
1° or 1gon |
1° or 1gon |
1° or 1gon |
Centre size of tripod |
M16or5/8″ |
M16or5/8″ |
M16or5/8″ |