Automatic Level Nikon AC-2S
The economical, compact and lightweight AC-2S automatic level features a built-in compensator with magnetic damper that automatically levels line of sight for quality surveying. The unit features a friction brake, as well as endless horizontal drive for faster in-field operation.
Endless horizontal drive
Aperture: 30 mm
Min Focus distance: 0.75m
Accuracy: ± 2.0 mm (1km double run leveling)
Website : http://www.rumahgps.com