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6
2. DESIGN of NVS-33
1 2 3 4 5 6 7 8
9 10 11 12
Fig.1 Configuration 1
1 – Ocular with light
suppressor
7 – Objective focus
adjustment knob
2 – Adapter ring with
thread
8 – Objective lens cover
3 – Fixating ring 9 – Battery compartment
cover
4 – Retention pin 10 – Battery compartment
5 – On/Off switch 11 – Remote switch
connector
6 – Device body 12 – Objective lens