This model has many great features including 7 large sunshades, a 3 mm x 27 mm star scope, and easy reading micrometer drum vernier scale that reads to 2/10 seconds of a degree.
The Mark 15 has an 18 cm frame radius graduated from 120 degrees to -5 degrees and comes with a traditional half-silvered mirror.
Standard features of the Mark 15:
18cm frame radius. Graduation 120 to -5 degrees
Index mirror rectangular. 50 x 38mm
Precision machined slow travel gear and worm mechanism
Highly visible, easy to read micrometer drum and vernier allowing readings to 2/10 minute or arc
Fully 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 27mm star telescope with anti-reflective coated glass lenses, plus separate hooded sight tube for glare-free sun shots
Lanyard frees hand and protects sextant
Tough, fully padded shock-resisting carrying case with compartments for extra batteries and mirror kits.
Item No 00026
EAN UPC GTIN: 0011698002603
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Delivery from £5.95For this item shipped on its own