Tamaya Spica Sextant (shown with 7x35 Monocular Scope)
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Click on any of the thumbnail images for a detailed picture.
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Tamaya Spica Sextant
with 7x35 Monocular Scope |
Tamaya Spica Sextant
with 4x40 Scope |
7x35 Monocular Scope
and Height Adjustment |
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Right Side View
of Sextant |
Left Side View
of Sextant |
Large 57 mm dia.
Horizon Mirror |
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Large 57 x 42 mm
Index Mirror |
Detail of Micrometer Drum |
Back of
Spica Sextant |
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Tamaya Spica
Sextant in Case |
Calibration Certificate |
Protective Storage Case |
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Tamaya Spica Sextant with Storage
Case. New and Fully Calibrated.
$1795
4x40 Scope $248
7x35 Monocular Scope $329
The quality of the Tamaya Spica Nautical Sextant has been proven in many years of use by ocean-going navigators.
Its optical system is designed to assure the maximum performance with a full 57mm index mirror.
The Tamaya Spica Sextant features a lightweight die cast aluminum alloy frame with a corrosion
resistant black finish and a Bronze arc for highly accurate +/-10 arcsecond readings.
Two interchangeable 4x40mm and 7x35mm telescopes with special rubber eye protectors are available.
The Tamaya Spica Nautical Sextant offers 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 degrees
Accuracy: +/-10 seconds.
Telescopes: 4x40mm: angle of view 7degrees, relative brightness
100. 7x35mm: angle of view 6.5 degrees, 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.
Filter Shades:
Four for index mirror
Three for horizon mirror
One special shade glass and one Polaroid glass for eyepiece of
telescope
Weight: 4 lbs
Carrying case: Molded plastic, with two slides
This sextant is fully functional for navigation and comes with a certificate of calibration.
We also offer the similar lower cost Tamaya Jupiter Sextant
and the C. Plath Decorative Antique Reproduction Sextant.
The Tamaya Spica Sextant with Storage Case is available for $1795.
At least one telescope is required for use.
The case can hold the sextant and both telescopes.
The 4x40 scope has a brighter image than the 7x35 monocular and is best for low-light
conditions or when the vessel is heaving.
The 4x40 scope has fully coated optics and a large 40 mm objective lens to yield a sharp
four-power non-inverted image.
The Tamaya 7x35 monocular scope produces a sharp high power 7-power wide angle non-inverted image.
The Tamaya 7x35 monocular scope is more powerful than the 4x40 scope for more accurate readings.
Either scope fits both Tamaya's Spica and Jupiter Sextants.
The scope has fully coated optics and a large 35 mm objective lens.
The 4x40 Scope sells for $248 and the 7x35 Monocular Scope is $329.
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