Nikon automatic levels are designed for a variety of elevation control and alignment tasks including general building construction, cut and fill measurements, area leveling, and landscaping
 
Auto Levels AC Series
 
AC Series auto levels are easy to set up and use. Both models can attach to both flat-head and spherical-head tripods. Horizontal tangent knobs with an unlimited range ensure smooth, precise pointing and angular measurement, and you can operate them with either hand.The detachable eyepiece lens lets you use an optional diagonal eyepiece prism for working in extremely close or steep quarters.
 
Nikon Auto Level offer minimum focusing down to 2.46 ft (0.75 m) for better performance in tight spots or on steep slopes.
 
Choice of magnification: 24x (AC-2S) 
Double-sided, continuous horizontal tangent drives
Stadia lines for simple distance measurement
Detachable eyepiece lens
Built in bubble mirror and optical sighting alignment
Smooth, precise pointing and angular measurement
Magnetic-dampened automatic compensator
Metal housing increases durability
Water-resistant construction
Compact and lightweight