The Japanese Tamaya Spica Sextant has proven quality through many years of use by ocean-going navigators. This top-of-the-line sextant’s optical system is designed to ensure maximum performance.
Full 57mm index mirror. Rubber eye protector. Full illumination of both arc and drum. Carrying case: double wall air molded plastic with two slide locks. Can be stored in fitted case with scope mounted. Interchangeable telescopes available in 4x40 or 7x35 (sold separately). Measuring range: -5° to 125°. Accuracy: less than 10 seconds of arc. Telescopes: 4x40: angle of view -7°, relative brightness 100. Or 7x35mm: angle of view 6.5°, relative brightness 25. All optics are fully coated. Frame: lightweight die cast aluminum alloy with corrosion resistant black finish and bronze arc. Vernier Scale: reads to 0'.2. Index mirror: (57x42mm) Aluminized on rear side. Horizon Mirror 57mm diameter. Shade Glass: four for index mirror, three for horizon mirror, one shade glass and one Polaroid glass for eyepiece of telescope.
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