This original mirror sighting compass is used by defence forces all over the world.
It has Romer scales with plotting holes for finding and marking GPS coordinates on the map and rubber feet so it won’t slide on the map. Luminous compound that need to be activated by daylight/flashlight etc.
Will give light up to 4 hours.
360 degrees on the graduation ring and 6400 mils on the reverse side.
Accuracy›± 1° (17.8 mils)
Altitude use›5000m @-15 °C
Graduation›6400° / 360°
Illumination›4 hours after activation in light
Impact resistance›30g in XYZ directions and free fall from 1.5 m height into gravel
Patented red/black N/S lines in capsule›Yes
Resolution degrees / mils›2 / 50
Settling time from 90° angle to complete rest›5 sec
Settling time from 90° angle within ± 3°›2.7 sec
Sighting System›Mirror sighting
Silicon friction feet›Yes
Size›108 x 63 x 20 mm
Temperature operating range›-40 to +60 °C
Type of compass›Silva 1-2-3 System Mirror sighting compass
UTM position plotting scales (Romer scales)›1:25k, 1:50k
Water resistance›IP68 – (more than 100 m)