Freiberger Drum Sextant - Split View
Freiberger Drum Sextant - Split View
SKU: KH-SEX0030
A precision maritime navigation instrument engineered for accurate celestial observations at sea. This sextant combines traditional craftsmanship with modern durability, featuring a lightweight alloy frame that delivers exceptional balance and handling. Precision-ground horizon and index mirrors are optically tested for flatness and parallelism, ensuring reliable readings every time.
Delivery available | lead times vary
Collection available | usually ready in 2-4 days
Description
Description
A precision maritime navigation instrument engineered for accurate celestial observations at sea. This sextant combines traditional craftsmanship with modern durability, featuring a lightweight alloy frame that delivers exceptional balance and handling. Precision-ground horizon and index mirrors are optically tested for flatness and parallelism, ensuring reliable readings every time.
The fully enclosed micrometer drum and clamping mechanism shield critical components from saltwater spray and debris. A 4x40 adjustable telescope with protective rubber eyepiece provides clear sightlines, while seven graduated filters—four for the index mirror and three for the horizon mirror—optimise light transmission for varying conditions.
Built for navigators who demand accuracy and reliability in challenging maritime environments.
- Manufacturers Part Number: 108550.517.26
- Standard telescope 4x40 is adjustable for height and fitted with a protective rubbers eyepiece.
- The correct amount of brightness through the sextants optical light paths is controlled by means of swing in graded filters 4 for the index and 3 for the horizon mirrors.
| Specification | Details |
|---|---|
| Graduated Arc | Radius: 170 mm Scale of degrees: -5° to 125° Interval: 1° |
| Drum Graduations | Interval: 1' Visual interval: 0,1' |
| Telescope | Lens aperture: 40 mm Magnification: 4x |
| Variation | Handle: Hardwood Colour: Black |
| Dimensions | Drum sextant: 26 x 24 x 13 cm Carrying case: 34 x 32 x 17 cm |
| Weight | Drum sextant: 1.4 kg Carrying case: 4.5 kg |
Specification
Specification
| Specification | Details |
|---|---|
| Graduated Arc | Radius: 170 mm Scale of degrees: -5° to 125° Interval: 1° |
| Drum Graduations | Interval: 1' Visual interval: 0,1' |
| Telescope | Lens aperture: 40 mm Magnification: 4x |
| Variation | Handle: Hardwood Colour: Black |
| Dimensions | Drum sextant: 26 x 24 x 13 cm Carrying case: 34 x 32 x 17 cm |
| Weight | Drum sextant: 1.4 kg Carrying case: 4.5 kg |
