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4. DESIGN
Figure 1
1 – Flight Filter 2 – Objective lens
3 – Collective lens 4a – Switching mechanism in
the position “DAY”
4b – Switching mechanism
in the position “NIGHT”
5 – Handle
6 – Internal lenses 7 – Reticle
8 – Windage adjustment
screw
9 – Elevation adjustment wheel
10 – Elevation scale 11 – Eyepiece
12 – Direction adjustment
screw
13 – Image intensifier screen
14 – Photocathode of image
intensifier
A2 – Image intensifier
G1, G2 – Batteries R1 – Resistor
SA1 – Switch SA – Micro switch
VD1 – Light diode