RECENTLY VIEWED
Skip to main content
DK Hardware Professional Tax Exempt? Net 30? - DK Net Terms
Roll over image to zoom in
Product Features
Product Overview
Related Videos
Reviews
Questions & Answers
See reviewsSee reviews
30 Days Easy Return. We are the largest supplier of the most adaptable, personalized hardware in the industry. We work hard to ensure you're satisfied with our products.
WARNING: This Product May Contain Chemicals Known to the State of California to Cause Cancer or Reproductive Harm. To Learn More Visit P65Warnings.ca.gov
Features
- Frame Material: Aluminum
- Sighting System: Traditional half-silvered or whole horizon mirror
- Scope Magnification: 3.5 x 40
- Filter Shields: 4 index - 3 horizon
- Arc Range: 20", throughout the arc
- Drum Calibration: -5 = 130 , radius 153mm
- Lighting: LED on the arc and drum
- Weight: 2.6lbs
- Case: Varnished wood carrying case
- Included Accessories: Case, instruction book, certificate of accuracy, vial of oil, adjusting wrench
- Warranty: 30 Days
Material
Aluminum
Type
Sextants
Warranty
30 Days
Product Overview
High-quality, precision marine navigation instruments with superior optics are trusted by both novice and professional mariners alike. The Astra IIIB is crafted from lightweight, corrosion-resistant aluminum, ensuring durability and long-lasting performance in harsh marine environments. Featuring bright, energy-efficient LED lighting on the arc and drum, this instrument offers clear visibility during nighttime or low-light navigation. Standard rectangular index mirrors are easily interchangeable, allowing users to choose between the traditional half-silvered mirror preferred by experienced sailors for precise sightings, or the whole-horizon mirror, which many beginners find easier to use for accurate bearings. Included with the Astra IIIB is a 3.5 x 40 monocular telescope that enhances distant viewing, helping mariners identify landmarks and navigational aids with greater clarity. Designed to deliver reliable, accurate readings, this versatile instrument combines expert craftsmanship with user-friendly features to meet the needs of all skill levels. Whether you are charting a course along coastal waters or navigating open seas, the Astra IIIB provides dependable performance essential for safe and effective navigation at sea.