Want that bit of insurance in case the power fails, well this is the answer, used by many a mariner for navigation around the world. Large, easily adjusted mirrors using new instrument-quality glass and a special baked on salt-spray resistant backing. Key Features Both mirrors have protective housings. Horizon mirror is half-silvered. No adjustment wrenches required. Moulded of high-impact, weather-resist 7" (18 cm) frame radius. Graduation 120° to −5° Index mirror rectangular, 1.98" × 1.49" (50 × 38 mm). Precision machined slow travel gear and worm mechanism. Highly visible, easy-to-read micrometer drum and vernier allowing readings to 2/10 minute of arc. Fully ribbed, three-circle sextant body for platform strength and stability. Large, contoured handle designed for sure, steady grip and angled back for added control. Seven large sunshades allow complete, independent adjustment of shading density for horizon and index mirrors. 3 × 27 mm star telescope with anti-reflective coated glass lenses, plus separate hooded sight tube for glare-free sun shots. Neck lanyard frees hand and protects sextant. Tough, fully padded, shock-resisting carrying case with compartments for extra batteries and mirror kits.
