Sextant David Mark 25 Plastimo
€459.00
Preorder |
Retour en stock le 16/01/2025
SKU
PL-1010050
Ref. : PL-1010050
This David Mark 25 sextant, which is the reproduction of a real professional sextant, is made of the latest generation of non-deformable plastic materials. Very light, robust and precise, it is fully shockproof and corrosion-proof. It allows to make with precision all the points necessary to the coastal and astronomical navigation. All these improvements make it the most elaborate plastic sextant on the national market. It is also built in shockproof and non-deformable plastic material.
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DAVID MARK 25 SEXTANT : PROFESSIONAL QUALITY
This David Mark 25 sextant, which is the reproduction of a real professional sextant, is made of the latest generation of non-deformable plastic materials. Very light, robust and precise, it is fully shockproof and corrosion-proof. It allows to make with precision all the points necessary to the coastal and astronomical navigation. All these improvements make it the most elaborate plastic sextant on the national market. It is also built in shockproof and non-deformable plastic material.
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Technical specifications
- Impact resistant plastic blade - one piece - white depth graduation
- Radius of 178 mm
- Divisions from - 6 to 120°.
- Micrometric screw with drum divided from 1' to 1' with vernier reading at 1/5 (i. e. 12 seconds) and worm screw with disengagement
- Mirrors protected by a special varnish and adjustable
- Index 30 x 41 mm
- Horizon 35 x 50 mm
- Colored filters: 1 set of 3 - 1 set of 4
- 1 optical telescope 3x23 mm, adjustable - 1 telescope with direct sight
- Reading of 1/5 of arc minute on vernier and 1 minute in direct reading
- A patented system of full field horizon mirror which doubles the sighting surface while allowing a very easy focusing by superimposing whole images (as on the cameras)
- A diode lighting on the drum and the limb
- Weight of the sextant alone: 460g (1130g with case)
- Plastic case 300 x 250 mm
- Shockproof foam padding in shape
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