Plastimo Davis Sextant MK 25 – Premium Model

The Davis Mark 25 Sextant is a premium plastic sextant designed for serious celestial navigation. It features a full-field, beam-splitting optical system that allows simultaneous viewing of the horizon and celestial body, ensuring precise readings. The frame is constructed from durable, lightweight plastic, making it ideal for marine use without sacrificing accuracy. Equipped with a micrometer drum and vernier scales, it offers angular measurements to within 2 minutes of arc. The Mark 25 also includes adjustable mirrors, a contoured handle, and built-in LED illumination for low-light conditions. It’s a popular choice for both advanced amateurs and professional navigatorsThis Davis Mk25 offers a high-quality professional sextant at a very economical price. It is lightweight and compact, and when packed in its travel case, easy to transport on board luggage.Patented horizon mirror system which doubles the aiming surface and allows very easy focusing by superimposing entire images (as on cameras).Diode lighting on the drum and arc.Weight of the sextant (alone: 460 g, 1130 g with the box).Black-coloredThe sextant’s arc is made of a monobloc plastic part, which is shockproof tooWhite graduation in depth. 178 mm rayonDivisions from -6 to 120 and an endless screw with disengagement.Micrometric screw with 1′ split drum in 1′ with reading at 1/5 (12 seconds)Mirrors are protected by a special varnish and are adjustable.Index 30 x 41 mm. Horizon 35 x 50 mm.1 Optical bezel 3×23 mm, adjustable – 1 direct aiming bezel.Reading 1/5 of an arc minute to the vernier and 1 minute in direct reading.Plastic box 300 x 250 mm. Impact-resistant foam filling.FeaturesThe top-of-the-line Davis plastic sextant, the Mark 25, features their Beam Converger mirror, sometimes referred to as a full horizon mirror.” A special coating is applied to high-quality optical glass to allow the user to see through this mirror, yet still pick up images as faint as low-light stars.The Mark 25 is illuminated by a long-life LEDManufactured in a premium plastic that is very stable and keeps its precise formIncluding an instruction guide and a protective case