Davis Mark 15 Master Sextant [026] Lighting | Accessories Length Overall: 6"

Length Overall: 6"

ranging from 100% to approximately 5% intensity holding 2 seconds at each position before dimming the opposite direction

Analog Meter Shunt 100A/50mV

6006200 - Black

Fits horizontal rails up to 2-1/4" (57 mm) high by any depth or vertical  up to 1- 5/8" (41 mm) wide by any depth

Davis Mark 15 Master Sextant [026] Lighting | Accessories Length Overall: 6"Mark 15 Sextant #026 This model has many great features including seven large sunshades, a 3 mm x 27 mm star scope, and easy to read micrometer drum vernier scale that reads to 2 10 of a minute. The Mark 15 has a 7" (18 cm) frame radius graduated from 120 to 5 and comes with a traditional half silvered mirror. Comes with instruction booklet. Owner's Manual (pdf)