Additional Details

Model B40 Telescope Length 215mm (8.46in.) Magnification 24x Objective aperture 32mm (1.26in.) Resolving power 4" Field of View (at 100m/328ft.) 1°25' (2.5m / 8.2ft.) Minimum focus 0.2m (7.9in.) from end of telescope 0.3m (1ft.) from instrument center Image Erect Reticle pattern Cross line Stadia constant 0 Stadia ratio 100 Focusing knob 1-speed Sighting aid Gun sight Lens hood - Accuracy (standard deviation for 1km double run leveling) Without micrometer 2.0mm (0.08in.) With micrometer - Compensator Type Pendulum compensator with magnetic damping system Setting accuracy 0.5" Working range ±15' Circular level Sensitivity 10' / 2mm Mirror Plane mirror Horizontal circle Diameter 103mm (4.1 in.) Graduations 1° / 1gon General Horizontal motion drive Clampless, endless, double-sided knobs Water resistance IPX6 (EC 60529:2001) Operating temperature -20 to +50°C (-4 to +122°F) Width 130mm (5.12in.) Length 215mm (8.46in.) Height 135mm (5.31in.) Weight 1.7kg (3.7 lb.)