Parts Of The Instrument - Sokkia B20 Operator's Manual

4. PARTS OF THE INSTRUMENT

Lens hood (Sliding type)
1
Reflector
2
Peep sight
3
Circular level adjusting
4
screw
Circular level
5
Leveling foot screw
6
Base plate
7
Fig.4.1
Horizontal fine motion screw
8
Objective lens
9
2-speed focussing knob
10
Horizontal circle positioning
11
ring
Horizontal circle window
12
Reticle adjusting screw cover
13
Eyepiece*
14
*The B2 eyepiece is detachable.
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(Instrument shown:B2 )
1