Automatic Level (Auto Level) TOPCON AT-G Series[18 Oct. 2009, 4:53:09]
AT-G1: 32x Magnification, ±0.7 mm accuracy in 1 km double run leveling. Magnetic compensator, waterproof telescope, clampless fine horizontal adjustment, and sighting collimator
AT-G2: 32x Magnification, ±0.7 mm accuracy in 1 km double run leveling. Magnetic compensator, waterproof telescope, clampless fine horizontal adjustment, and sighting collimator
AT-G3: 30x Magnification, ±1.5 mm accuracy in 1 km double run leveling. Magnetically-damped compensator affords automatic leveling action. Waterproof telescope. Clampless fine horizontal adjustments. Sighting collimator.