7
4. Description
Fig.1 Automatic Level
1.
Base
plate
6.
Telescope
eyepiece
2.
Footscrew
7.
Press
button
3. Horizontal drive, endless
8. Circular level
4. Telescope objective housing
9. Prism for viewing circular level
5.Optical sight
10. Focussing knob with cores/fine motion
10
9
8
4
3
2
1
6
7
5
ESL2