Davis MK25 Deluxe Master Sextant (105923)

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Full field Beam Converger with quartz hardcoat replaces conventional half-silvered mirror. Horizon and astrobody images are combined in a single full-field for easy, reliable sights under the most difficult conditions. Traditional half-silvered, horizin mirror, sighting.
Patented Beam Converger with full viewing field
Special mineral coating is selective for different wavelengths of light. Horizon is transmitted in one colour region and the star or sun in another
Improved reinforced plastic stiffens frame for greater measurment accuracy
High efficiency LED (solid state light emitting diode) illumination system, which floods arc and drum with soft light. The LED will last for the lifetime* of the sextant. Batteries, which are included, will last up to 10 times longer than with regular bulbs. Positive "push on" switching action with vinyl boot water protection.
*Based on manufacturer's data, average LED "half life" is approximately 10 years if operated continuously