MK 15 Master Sextant

Navigate without GPS; large, easily adjusted mirrors using new instrument-quality glass and a special baked on salt-spray resistant backing. Both mirrors have protective housings. Horizon mirror is half-silvered. No adjustment wrenches required. Molded of high-impact, weather resistant plastic. All Master Sextants feature the following professional specifications:

• 7" (178mm) frame radius. Graduation 120- to -5-
• Index mirror rectangular, 1.98" x 1.49" (50 x 38mm)
• Precision machined slow travel gear and worm mechanism.
• Highly visible, easy-to-read micrometer drum and vernier allowing readings to 2/10minutes of arc.
• Full ribbed, three-circle sextant body for platform strength and stability.
• Large, contoured handle designed for sure, steady grip and angled back for added control.
• Seven large sunshades allow complete, independent adjustment of shading density for horizon and index mirrors.
• 3 x 27 mm star telescope with anti-reflective coated glass lenses, plus separate hooded sight tube for flare-free sun shots.
• Neck lanyard frees hand and protects sextant.
• Tough, fully padded, shock-resisting carrying case with compartments for extra batteries and mirror kits.