Probably the most resourceful compass in the world for artillery; target acquisition and command posts. TheExpedition 54is a unique compass featuring both an optical precision sighting system and a Silva 1-2-3 System compass in the same unit, giving unbeatable precision and versatility in the field.
Bearings can be taken with accuracy to within half a degree. The model has luminous compound that will give light up to 8 hours. 39g