Topcon AT-B3 Automatic 28x Magnification Dumpy LevelAT-B Series - Auto Level Utilizing a finely tuned magnetic damping system, AT-B series automatic levels quickly level and stabilize the line of sight. These precision instruments ensure reliable leveling even when working near heavy equipment or busy highways where fine vibrations could be present. The automatic levels feature IPX6 protection against powerful water jets from all directions and are fully resistant to driving rain and splashing water. Horizontal angles can be directly read in 1? or 1gon units. Free rotation feature allows you to read any angle from zero. The circle is covered for protection against dirt and scratch. The readout window is located below the eyepiece for quick reading. TOPCON AT-B SeriesFeatures: Durable, Dependable, High Value Auto Levels 3 Models - 32x, 28x, and 24x Magnifications Rapid, Accurate, and Stable Automatic Compensation Ultra-Short 20cm (7.9 in.) Focusing All-Weather Dependability Specifications: TELESCOPE AT-B2 AT-B3 AT-B4 Length 215mm (8.46 in.) 215mm (8.46 in.) 215mm (8.46 in.) Magnification 32X 28X 24X Objective Aperture 42mm (1.65 in.) 36mm (1.42 in.) 32mm (1.26 in.) Resolving Power 3 in. 3.5 in. 4 in. Min. Focus from end of telescope 0.2m (7.9 in.) 0.2m (7.9 in.) 0.2m (7.9 in.) Min. Focus from instrument center 0.3m (1 ft.) 0.3m (1 ft.) 0.3m (1 ft.) Image Erect Erect Erect Stadia Constant 0 0 0 Stadia Ratio 100 100 100 Operating Temperature -4?F to +122?F (-20?C to +50?C) Width 5.12 in. (130mm) 5.12 in. (130mm) 5.12 in. (130mm) Length 8.46 in. (215mm) 8.46 in. (215mm) 8.46 in. (215mm) Height 5.51 in. (140mm) 5.51 in. (140mm) 5.31 in. (135mm) Weight 4.1 lbs. (1.85kg) 3.7 lbs. (1.7kg) 3.7 lbs. (1.7kg)
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