2.3
Instrument Compo-
nents
NA520/24/32, Description of the System
Instrument Components
a
c
h
011131_001
a) Focusing knob
b) Objective
c) Endless drive (both sides)
d) Circular Bubble
e) Reflecting Mirror
b
c
d
e
i
f) Peep Sight
g) Eyepiece
h) Horizontal Circle
i) Footscrew
j) Adjustment screw cover
f
g
j
en
8