The Tamaya Spica MS 733 with Split Horizon Mirror

The quality of this sextant has been proven in many years of use by ocean-going navigators. Its optical system is designed to ensure maximum performance with a full 57mm index mirror. Interchangeable telescopes available in 4x40mm or 7x35mm. Features a special rubber eye protector and full illumination of both the arc and drum. The sextant can be stored in the fitted case with either scope mounted. SPECIFICATIONS Measuring Range: -5 to 125. Accuracy: +/- 10 seconds. Telescopes: 4x40mm: angle of view 7, relative brightness 100. 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. Bronze arc. Vernier Scale: reads to 0.2'. Index Mirror: 57x42mm. Aluminized on the rear side. Horizon Mirror: 57mm diameter. Shades: 4 for index mirror. 3 for horizon mirror. One special shade glass and one Polaroid glass for eyepiece of telescope. Weight: 4 lbs. Carrying Case: Molded plastic, with two slide locks.