Customization: | Available |
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Type: | Magnetic |
Image: | Erect |
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Model | B40A | ||
Telescope | |||
Length | 215mm(8.46 inch) | ||
Objective aperture | 32mm | 36mm | 42mm |
Magnification | 24X | 28X | 32X |
Image | Erect | ||
Resolving power | 4" | 3.5" | 3.0" |
Field of view(at 100m) | 1° 25′ (2.5m) | 1° 20′ (2.3m) | |
Minimum focussing distance | 0.2m (7.9in.) from end of telescope | ||
0.3m (1ft.) from instrument cener. | |||
Reticle pattern | Cross hairs | wedge | |
Stadia ratio | 100 | ||
Stadia constant | 0 | ||
sighting aid | Gun sight | Peep sight | |
Focusing Knob | 1-speed | 2-speed | |
Lense hood | - | Retractable | |
Accuracy(standard deviation for 1km double run leveling) | |||
Without micrometer | 2.0mm | 1.5mm | 0.7mm |
(0.08in.) | (0.06in.) | (0.03in.) | |
With micrometer | 0.5mm | ||
(0.02in.) | |||
Compensator | |||
Type | pendulum compensator with magnetic damping system | ||
Working range | ± 15′ | ||
Setting accuracy | 0.5" | 0.3" | |
Horizontal Circle | |||
Diameter | 103mm (4.1in.) | ||
Graduation | 1°/1gon | ||
General | |||
Sensitivity of circular level | 10′/2mm | ||
Mirror for circular level | Plane mirror | pentaprism | |
Horizontal motion drive | Clampless, endless, double-sided knobs | ||
Water resistance | IPX6(IEC60529) | ||
Operating temperature | -20-+50°C (-4 to +122°F) | ||
Size | 122mm× 215mm× 135mm | 130mm× 215mm× 140mm | |
Weight | 1.7kg (3.7 lb.) | 1.85kg (4.1 lb.) |