<B>Mark 25 Sextant</B><br>#025<br><br>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.<br><br>The Mark 25 is illuminated by a long-life LED and made of an upgraded plastic that is very stable.<br><br>Comes with instruction booklet. <!--- cis2:m2lumJ1t --->