Automatic Level Sokkia B20 32x pembesaran

Sokkia B20 Specifications Sokkia B20: TELESCOPE • Length: 215mm( 8.46in) • Magnification: 32x • Objective Apeiture: 42mm( 1.65in.) • Resolving Power: 3" • Field of View ( at 100m/ 328ft.) : 1° 20' ( 2.3m/ 7.5ft.) • Minimum Focus: 0.2m ( 7.9in.) from end of telescope 0.3m ( 1ft.) from instrument center • Image: Erect • Reticle Pattern: Wedge • Stadia Constant: 0 • Stadia Ratio: 100 • Focusing Knob: 2-speed • Sighting Aid: Peep sight • Lens Hood: Retractable ACCURACY ( STANDARD DEVIATION FOR 1KM DOUBLE RUN LEVELING) • Without Micrometer: 0.7mm( 0.03in.) • With Micrometer: 0.5mm( 0.02in.) COMPENSATOR • Type: Pendulum compensator with magnetic damping system • Setting Accuracy: 0.3" • Working Range: ± 15 CIRCULAR LEVEL • Sensitivity: 10' / 2mm • Mirror: Pentaprism HORIZONTAL CIRCLE • Diameter: 103mm ( 4.1in.) • Graduations: 1° / 1gon GENERAL • Horizontal Motion Drive: Clampless, endless, double-sided knobs • Water Resistance: IPX6 ( IEC 60529: 2001) • Operating Temperature: -20 to + 50° C ( -4 to + 122° F) • Size _ Width: 130mm ( 5.12in.) _ Length: 215mm ( 8.46in.) _ Height: 140mm ( 5.51in.) • Weight: 1.85kg ( 4.1 lb.)