With its optical and mechanical axes aligned to within 3 seconds, a typical accuracy of 50-70um at 30m
is achievable.
Technical Data
Micrometer Range:
+/-1.2mm (+0.05in) with 0.02mm (0.001in) graduations
Barrel Material:
Chromium plated hardened steel precision ground after plating
Barrel Diameter:
57.137-57.147mm (2.2495-2.2499in)
Optical Axis:
Parallel to mechanical axis within 3 arc seconds and concentric
within 6um (0.00025in)
Field of View:
From 50mm (2in) at 2m (65ft) to 600mm (24in) at 30m (100ft)
Magnification:
x34
Focusing Range:
25mm (1in) to infinity
Image:
Erect
Accuracy: Within 0.05mm (0.002in) at 30m (100ft) and proportionally for longer
or shorter distances down to about 3m (10ft). Below this distance the errors are less than the precision
to which the micrometers can be read.