Model
DSC420
DSC422
DSC424
DSC426
DSC428
DSC430
DSC432
Standard deviation for lkm double run levelling
2.5mm
2.0mm
1.5mm
1.0mm
Image
Erect
Magnification
20X
22X
24X
26X
28X
30X
32X
Objective aperture
34mm
Field of view
1°20'
Minimum focus
0.3m
Multiplication constant
100
Additive constant
0
Compensator range
± 15'
Compensator setting accuracy
± 0.8”
± 0.5”
Sensitivity of bubble
8 ' /2mm
Horiz. circle reading
1° or 1gon
Instrument weight
1.85kg
Tripod
M16 or 5/8”