Cammenga 27 Phosphorescent Compass Lensatic Northern Hemisphere Olive Drab. Modest price. For those who prefer a more cost-effective means of navigating terrain we offer a Phosphorescent Lensatic Compass option. This compass is essentially the same trustworthy model supplied to the U.S. Military. Specifications for Cammenga 27 Phosphorescent Compass: Manufacturer: Cammenga Color: Olive Drab Fabric/Material: Powder Coated Aluminum Features of Cammenga 27 Phosphorescent Compass Shockproof damage-resistant design. Waterproof to considerable depths. Sandproof for extra durability. Accuracy +/- 40 mils. Performs flawlessly in temperatures ranging from -50 degree F to 150 degree F. Uncompromised by temperature changes due to its non-liquid filled needle housing. Uses a copper induction-damping ring that slows settles and steadies the compass needle quickly. Constructed with a powder-coated aluminum frame for optimal endurance. Package Contents: Cammenga 27 Phosphorescent Compass Lanyard Instruction Card Cammenga 6605-01-571-6052: 27 Phosphorescent Compass Lensatic Northern Hemisphere Olive Drab