Item  # MS 833

Tamaya Jupiter Sextant with Split Horizon Mirror.


The Jupiter is Tamaya’s full sized "best value" sextant. It has many of the features of more expensive sextants. The mirrors are large; a 57 x 42mm index and a 57mm diameter horizon. The inclined handle provides a natural and comfortable grip. Built to rigid specifications and engineered for quality, the Jupiter professional marine sextant is the most popular selling sextant Tamaya offers. Full illumination on both the arc and drum is provided.

The optional, interchangeable scope are available in your choice of 4 x 40 or 7 x 35 priced below.




  • Measuring Range: -5° to 125°.
  • Accuracy: +/- 12 seconds.
  • Telescope: 4 x 40mm: angle of view 7°, relative brightness 100.   (Sold separately below).
  • Telescope: 7 x 35mm: angle of view 6.5°, relative brightness 25.  (Sold separately below).
  • 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.
  • Weight: 3 lbs. 12 oz.
  • Carrying Case: Molded plastic, with two slide locks


Sextant Only










4 x 40 Scope









7 x 35 Monocular Scope












70 005 3.5 x 40 Scope


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