TOPCON AT-B4 SPESIFICATIONS TELESCOPE
Length 215mm (8.46 in.)
Magnification 24X
Objective Aperture 32mm (1.26 in.)
Resolving Power 4 in.
Field of View 1°25’ (at 100m/328ft.)
(at 100m/328ft.) (2.5m/8.2 ft.)
Min. Focus from end of telescope 0.2m (7.9 in.)
Min. Focus from instrument center 0.3m (1 ft.)
Image Erect
Stadia Constant 0
Stadia Ratio 100
Focusing Knob 1-speed
Sighting Aid Gun Sight
ACCURACY
Without Micrometer 2.0mm (0.08 in.)
With Micrometer n/a
COMPENSATOR
Type Pendulum compensator with magnetic damping system
Setting Accuracy 0.5 in.
Working Range ±15 ft.
CIRCULAR LEVEL AT-B4
Sensitivity 10 ft./2mm
HORIZONTAL CIRCLE
Diameter 103mm (4.1 in.)
Minimum Division 1°/1gon
GENERAL
Water Resistance IPX6 (IEC 60529:2001)
Operating Temperature -4°F to +122°F (-20ºC to +50ºC)
Width 5.12 in. (130mm)
Length 8.46 in. (215mm)
Height 5.31 in. (135mm)
Weight 3.7 lbs. (1.7kg) | 
READY STOCK
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