Automatic Level Sokkia B30 28x Magnification Lens

Model

B30

Telescope

Length

215mm (8.46in.)

Magnification

28x

Objective aperture

36mm (1.42in.)

Resolving power

3.5"

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

Peep sight

Lens hood

-

Accuracy (standard deviation for 1km double run leveling)

Without micrometer

1.5mm
(0.06in.)

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

140mm (5.51in.)

Weight

1.7kg (3.7 lb.)