Marine Nautical Sextant

The marine sextant is a kind of reflection type angular measuring optical equipment.

Measuring the altitude of celestial bodies to determine the position of the ship at sea.

Measuring the two horizontal angles between three known position land objects the ship

location on chart by the help of a station pointer.

Measuring the vertical angle of a known altitude objection to obtain its distance.

Model number:GLH130-40

Measuring range: - 5 degree ~ 130 degree

Measurement Error:±20"

Minimum Reading:12

Temperature range:-30 ~ +50 centigrade

Telescope:3.5x40

Lamp voltage:3V

Net weight:1.2kg