Davis sextant mark 25 manual

Sextant Case for Mark 15/25 Sextants. Get help buying. Call () (USA and Canada). Customers in the USA and Canada only. International - Find a reseller. Replacement case for storing your sextant. Includes Foam Set for Sextant Case. Using the Light on the Davis Mark 25 Sextant The Mark 25 is specially constructed with a solid state light emitting diode (LED) and light guide to allow easy reading of the scales at twilight. To use the light: Make sure that your eyes are dark-adapted before using the light. Press the button at the top of the handle. (MANUAL) Mark 15 25 Sextants User's Guide Updated 5 months ago by Davis Instruments Download here.

Product description. The Mark 25 sextant was developed with more features than the Mark This model features a see through full field Beam Converger mirror and LED illumination that floods the arc and drum with soft light for reading sights taken in darkness. Includes carrying case and instruction booklet. The top of the line Davis plastic sextant, the Mark 25 features a Beam Converger™ mirror, sometimes referred to as a "full horizon mirror". A special coating is applied to high quality optical glass to allow the user to see through this mirror, yet still pick up images as faint as low-light stars. Add extra coverage from the date of purchase beyond the manufacturer's warranty. View Details. 2 Year - $ 1 Year - $ Model # | Mfg # UPC # DAVIS INSTRUMENTS. Mark 25 Sextant. $

The Mark 25 is illu The top of the line Davis plastic sextant, the Mark 25 features our Beam Converger™ mirror, sometimes referred to as a “full horizon mirror”. A special coating is applied to high quality optical glass to allow the user to see through this mirror, yet still pick up images as faint as low-light stars. Both the Mark 15 and the Mark 25 weigh only about 15 oz. The lightest metal sextant will weigh in at some lbs (Astra 3b, for example) and some sextant models go up to almost 5 lbs. A heavy sextant is difficult to use after the first minute or two, even for the strongest person, and the heavier it is, the more difficult it is. How well did this answer your question? Related Articles (MANUAL) Mark 15 25 Sextants User's Guide; Usando su Sextante Davis (Spanish) (25, 26) - (MANUAL).