Silva 55-6400/360 Mil Compass

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 gradation 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. Features: SILVA 1-2-3 System, baseplate compass Lensatic precision sighting compass Liquid filled capsule Sapphire jewel bearing High quality steel needle Hardened steel pivot Prismatic precision Magnifying lens Luminous markings Luminous gradation ring 4 hours illumination /active time after activation in light Silicone friction feet Red/black N/S lines in capsule Resolution (mils): 50 Measuring scales: mm, inch Romer scales: 1:25k, 1:40k, 1:50k Accuracy: +/- 0.5 degrees / 8.9 mils Temperature operating range: –30 to +60 °C Included Accessories: Scale Lanyard, Slope card.