20 Second Theodolite

20750

Image

Erect

Equivalent Focal Length

178 mm 

Magnification

30X

Objective aperture

40 mm

Shortest/Longest focusing distance

1.5/300

Stadia Line Ratio

1:100

Additive constan

0

Sensitivity of plate bubble

40"/2 mm

Sensitivity of vertical circle bubble

20"/2 mm

Optical plummet

Magnification

2.5X

Focusing Range

0.5 m -infinite

Weight (W/out Box)

6 Kg

Vertical Circle & Horizontal Circle

Graduation of Circle

3600

Reading by Vernier

20"

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