. The Cammenga Lensatic compass measures 7.6 x 5.70x 2.5 cm closed. Green OD cast aluminium frame and waterproof housing. Bidirectional swivel hinge. Sapphire jewelry bearing. Seven Tritio microlights allow navigation in low light conditions, without the need for a flashlight or any other light source. Tritium Micro Lights remain luminous for more than twelve years, maintenance-free. Shock, water, sandproof and functional from -45 or +65o. Accuracy: +/- 0002 mils. Equipped with a magnifying lens, vision wire and dial graduations in degrees and mils to ensure accurate readings. The copper induction damping system slows down magnet rotation without the use of liquids. Green OD nylon cord. Green OD carrying bag, LC-1 with belt clip. A tear-proof instruction card is included. Built according to the demanding