Mark 3 Sextant for Precision Marine Navigation Performance

The Mark 3 Sextant Marine Navigation Tool – SKU 11 is a precision optical instrument designed for accurate celestial navigation, offering dependable performance for both professional mariners and training applications. Built with a durable frame and high-quality optical components, it provides clear horizon visibility and smooth index arm movement for reliable angle measurements. Its lightweight yet sturdy construction makes it easy to handle during offshore use, while corrosion-resistant materials ensure long-lasting durability in harsh marine environments. The instrument features an adjustable micrometer drum for precise readings, supported by built-in shades to manage sun glare safely. Ideal for coastal and blue-water navigation, it allows navigation officers, cadets, and sailing enthusiasts to determine their position using the sun, moon, planets, and stars. Complete with a protective case, calibration reference, and easy-to-read markings, the Mark 3 Sextant delivers dependable accuracy and traditional seamanship capability at sea.