Auto Levels (OPTICAL)

ITEM Model LAL-3-20 LAL-3-24 LAL-3-28 LAL-3-32
Zoom out 20* 24* 28* 32*
Image/Telescope Erect Erect Erect Erect
Objective lens Aperture 30mm 30mm 40mm 40mm
Field of view １?0＇ １?0＇ １?0＇ １?0＇
The mix stadia 0.5m 0.5m 0.5m 0.5m
Stadia Ratio 100 100 100 100
Stadia constant 0 0 0 0
Work range ?5＇ ?5＇ ?5＇ ?5＇
accuracy ?.5＂ ?.5＂ ?.4＂ ?.3＂
Blister Precision 8＇/2mm 8＇/2mm 8＇/2mm 8＇/2mm
Diagraph on scale 1簅rlgon 1簅rlgon 1簅rlgon 1簅rlgon
Instrument weight 1.3kg 1.3kg 1.3kg 1.3kg
Tripod
M16 or 5/8＂ M16 or 5/8＂ M16 or 5/8＂ M16 or 5/8＂
Standard error per male  2.5m   2.0m    1.5m   1.0m