Mark 15 Sextant

• Large, easily adjustable mirrors using new instrument-quality glass and a special baked on salt-spray resistant backing. Both mirrors have protective housings. Horizon mirror is half-silvered. No adjustment wrenches required
• 7 large sunshades
• 7" frame radius; 3mm x 27mm starscope; easy to read micrometer drum and vernier scale (to 0.2°), graduation 120° to -5° with precision-machined, slow travel worm gear mechanism
• Molded of high-impact, weather-resistant plastic
• Lightweight; corrosion proof
• Tough, fully padded, shock-resisting carrying case with compartments for extra batteries and mirror kits
• Instruction booklet included