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FS-80 Laser Theodolite and Feng Shui Compass
Product Overview
Technical Indicators
Telescope:
Magnification — 16 Double the exact image
Effective aperture— 22mm
Stadia multiplier — 100
Vista distance addition constant— 0
Field of view — 2 degree 30 ′
Minimum sight distance— 2.5m
Magnetic compass:
Magnetic needle length— 67mm
Dial scale value — 1 degree
Horizontal circle:
Dial scale value — 1 °
Cursor grid value— 5 ′
Vertical circle:
Dial scale value — 1 °
Cursor grid value— 5 ′
Measurement range — ± 50 degree
Spirit level:
Angle value— 20 ′± 5 ′ /2mm
Laser:
Power — <5 mW
Voltage — 3 V (DC)
Range — 50 m
Wavelength – 635 nm
Distance between the two optical axes — 32 mm
Battery model — ER17335
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