Astra Sextant 3B Split View and Light Delux
Price: : £549.00

Astra Sextant 3B Split View and Light Delux

Construction Details The frame is made from lightweight aluminum alloy which resists corrosion. Aluminum alloy is used by many manufacturers for lightweight versions of their heavier brass or bronze sextants in order to reduce arm fatigue and unsteadiness among infrequent users. The sextant is electrically lighted by an LED on the arc and drum.

The Astra IIIB is considered by many to be the easiest sextant to use. Its light weight and excellent balance makes it a pleasure to hold and makes sights easier to take under dynamic weather and sea conditions. Even reading the sextant is easier under low light conditions by having white degree marks against a black background as opposed to scribe marks on a brass arc. The index mirror is rectangular in shape and is the same size as used more expensive sextants. This shape allows more aspect of the mirror to be available for high angle sights. This means the sextant does not have to be held as steady for them.
The ability to quickly and economically change the type of horizon mirror is an attraction of this sextant to many navigators. This is because whole horizon mirrors are generally preferred by beginners who later may wish to change to a traditional mirror as proficiency is attained.


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