Sextants

Celestial navigation is probably the oldest method of determining position without landmarks. Over the centuries, remarkable methods and precision instruments have been developed for this purpose. The last mechanical instrument still used today is the sextant or drum sextant. In astronavigation, the sextant determines the vertical angle between a celestial body and the horizon. For coastal navigation it can also be used horizontally, e.g. to measure the distance from several landmarks. The micrometre drum represents the latest refinement of modern drum-type … Read more
Celestial navigation is probably the oldest method of determining position without landmarks. Over the centuries, remarkable methods and precision instruments have been developed for this purpose.... read more »
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Sextants
Celestial navigation is probably the oldest method of determining position without landmarks. Over the centuries, remarkable methods and precision instruments have been developed for this purpose. The last mechanical instrument still used today is the sextant or drum sextant. In astronavigation, the sextant determines the vertical angle between a celestial body and the horizon. For coastal navigation it can also be used horizontally, e.g. to measure the distance from several landmarks. The micrometre drum represents the latest refinement of modern drum-type …

… sextants. With this kind of drum adapter, the angles in degrees, minutes and tenths of a minute can effortlessly be read off. Older vernier sextants, on the other hand, are equipped with a graduated arc called a vernier. At Toplicht you will find simple sextants for practising and learning made of plastic, lightweight yacht sextants made of aluminium, noble semi-horizon and full-horizon sextants designed for professional use, illumination for sextants and artificial horizons.

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3711*01 Kunststoff-Sextant DAVIS MK3 Sextant DAVIS MK3
Simple sextant for practicing and learning. Grey plastic. Arc 178 mm, working range -10° to 100°. Prismatic reading with wide expanded nonius range (30 part dashes) allows measurements of up to 2' precision, the index mirror is moveable...
€131.90
Art.-Nr.: 3711...
3711_02 GRP Sextant DAVIS MICROMASTER MK 15
Sextant made from fibreglass-reinforced plastic with adequate precision for learning and practise. Good precision from a micrometer barrel, mirror with 7 shaded glasses. Object lens with triangular magnification. Comes in a plastic box:...
€546.90
Art.-Nr.: 3711...
3711*03 Künstlicher Horizont Kunstoff DAVIS 144 Artificial horizon DAVIS 144
The artificial horizon is a device for taking sun or moon shots without observing the natural horizon. Excellent help for practicing sextant observations at home. The plastic body is to be filled with water or equivalent liquid and must...
€73.90
Art.-Nr.: 3711...
3712-069 FREIBERGER Yachtsextant, schwarz FREIBERGER Yachting sextant
Handy, lightweight half-vision yacht sextant made of seawater-resistant aluminium, anodised and stove-enamelled. Available in two colours. Features specifically made for yachts and smaller vessels Filter frame made of metal slightly...
from €939.00
Art.-Nr.: 3712...
3713-057 FREIBERGER Trommelsextant FREIBERGER PROFESSIONAL Drum sextant half...
Precision instrument developed for the professional marine industry and made from saltwater-proof aluminium. Half-horizon mirror. The rugged, strutted body is cast stress less, high-gloss anodised, and enamelled. JENA optics 4x40,...
€1,365.00
Art.-Nr.: 3713...
3713-054 FREIBERGER Trommelsextant FREIBERGER SIRIUS (BSH) Drum sextant half...
Precision instrument developed for the professional marine industry and made from saltwater-proof aluminium. The rugged, strutted body is cast stress less, high-gloss anodised, and enamelled. JENA optics 4x40, encapsulated,...
€1,570.00
Art.-Nr.: 3713...
3713-052 Sextant Freiberg FREIBERGER Drum sextant with full horizon mirror
Precision instrument developed for the professional marine industry, made from saltwater-proof aluminium. The sextant with half-transparent full horizon mirror offers undivided view of horizon. The rugged, strutted body is cast stress...
€1,455.00
Art.-Nr.: 3713...
3713_04 FREIBERGER Illumination for drum sextant
The following sextant accessories are available.
€198.00
Art.-Nr.: 3713...
3716*01 Vollsichtsextant BOBBY SCHENK Cassens & Plath CASSENS & PLATH Sextant BOBBY SCHENK full horizon
BOBBY SCHENK model with many ideas developed by an experienced bluewater sailor incorporated. - Full horizon mirror for good view on the solar bodies and easy handling, - indirect anti-glare lighting - 7 shaded glasses, - telescope 4 x...
€1,825.00
Art.-Nr.: 3716...
3716*02 Vollsichtsextant HORIZON-ULTRA Cassens & Plath CASSENS & PLATH Sextant HORIZON-ULTRA full horizon
HORIZON-ULTRA : Professional high quality sextant with specially polarized shade glasses and double prism, in order to minimize measurement errors caused by sextant tilt. - Full horizon mirror for easy handling, - index correction on the...
€2,239.00
Art.-Nr.: 3716...
3716*03 Chronograph für Cassens & Plath Sextant Chronograph for CASSENS & PLATH sextant
An optional accessory to the CASSENS & PLATH sextants: a small chronograph (quarz watch with stop function) to register the reading time. With bracket which fits on the sextant.
€179.00
Art.-Nr.: 3716...
9051-002 SEXTANT (deutsch) / David Barrie SEXTANT / David Barrie
The German edition of the book is being discontinued by the publisher. David Barrie (born 1953) is a butterfly researcher, chairman of various foundations, passionate sailor and great author with great enthusiasm for navigation topics....
€18.00
Art.-Nr.: 9051...
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… sextants. With this kind of drum adapter, the angles in degrees, minutes and tenths of a minute can effortlessly be read off. Older vernier sextants, on the other hand, are equipped with a graduated arc called a vernier. At Toplicht you will find simple sextants for practising and learning made of plastic, lightweight yacht sextants made of aluminium, noble semi-horizon and full-horizon sextants designed for professional use, illumination for sextants and artificial horizons.