Astra III Professional
The Astra III Professional, with its low cost, high accuracy, and excellent handling qualities, is destined to be the standard for professional seamen. It has a bronze arc fused to an aluminum frame allowing a higher accuracy along the arc while maintaining a lighter weight than a solid bronze or brass sextant. The handle is a new more comfortable design and has an electrical outlet suitable for powering accessories.
The additional weight of the bronze arc adds about 8 oz. and gives the instrument an excellent balance and heft. All of the accessories shown for the Astra IIIB are applicable for this model; ie. LED lighting of arc and drum, oil, adjusting wrench, and instructions, all in a varnished wooden case. A 3.5 x 40 scope is standard. SW 16 lbs.
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