Davis Instruments Mark 25 Micrometer Master Sextant
- The Davis Instruments Mark 25 Sextant is the top of the line Davis plastic sextant
- The Mark 25 features Davis Instruments' 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
- The Mark 25 is illuminated by a long-life LED and made of an upgraded plastic that is very stable
- Equipped with a high quality 3X telescope
- The scope is inter-changeable with the hooded sight tube
- Three scales that give readings to 2 /10 of a minute
- The scale on the frame is called the "arc"
- Each division of the arc equals one degree
- Includes an instruction booklet