Probably the most resourceful compass in the world for artillery; target acquisition and command posts. The 55 is 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 compass has a luminous graduation ring and markings for compass reading in the dark. Once activated by daylight/flashlight it will give light up to 4 hours of light. 6400 mils on the graduation ring and 6400 mils 360 degrees on the sighting scale.

• Type of compass:SILVA 1-2-3 System, base-plate compass
• Lensatic precision sighting system
• Liquid filled capsule
• Sapphire jewel bearing
• High quality steel needle
• Hardened steel pivot
• Magnifying lens:Yes
• Luminous markings:Yes
• Luminous graduation ring:Yes
• Illumination / active time after activation in light: 4 hours
• Silicon friction feet: Yes
• Patented red/black N/S lines in capsule
• GPS scales
• Scale lanyard (1:25, 1:50)
• Slope card