sokkia b30

Sokkia B30

Model B30
Length 215mm (8.46in.)
Magnification 28x
Objective aperture 42mm (1.65in.)
Resolving power 3"
Field of View
(at 100m/328ft.)
(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 1.5mm
With micrometer
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 (4.1 in.)
Graduations 1° / 1gon
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 140mm (5.51in.)
Weight 1.85kg (4.1 lb.)

Water Analysis