Unique Features :
. Quality telescope
. High contrast optical system fitted with coated object lens
. Cylindrical Steel / gum metal axis extra long for stability
. Erect image for comfort and trueness
. Excellent portability
Ideal To Be used In :
. Engineering surveys
. Construction projects
. General layout work
. Cadastral work
. Traversing triangulation
. Mining
Telescope Model |
Image |
Length |
Magnification |
Effective Aperture |
Field of View |
Short Focus |
Stadia Ratio |
---|---|---|---|---|---|---|---|
Model VTO - 20 |
Erect |
178 mm |
25 X |
38 mm |
2.6 M at 100 M |
1.5 M |
1:100 |
Model VTO - 10 |
Erect |
178 mm |
25 X |
38 mm |
2.6 M at 100 M |
1.5 M |
1:100 |
Stadia Constant |
Resolving Power |
Circle Diameter |
Graduation |
Vernier Reading |
Plate Level Sensitivity |
Vertical Circle Level |
---|---|---|---|---|---|---|
0 |
4" |
Hz113 mm, V100 mm |
20' |
20" |
45" / 2 mm |
1' / 2mm |
0 |
4" |
Hz113 mm V100 mm |
10' |
10" |
45" / 2 mm |
1' / 2mm |