Celestron SkyMaster Pro ED 20x80 Binoculars

The Celestron SkyMaster Pro ED 20x80 binoculars are high-performance astronomical binoculars designed for serious stargazers and nature enthusiasts. Featuring Extra-Low Dispersion (ED) glass and fully multi-coated XLT optics, they deliver exceptional color correction and contrast for bright, sharp images even in low-light conditions. The large 80mm objective lenses gather ample light, while the 20x magnification brings distant celestial and terrestrial objects into clear view. Built with a rugged, waterproof and fogproof nitrogen-purged body, these binoculars are ready for demanding outdoor use. The integrated tripod adapter rod ensures stable viewing when mounted on a tripod.

Advantages

Superior optical performance with ED glass reduces chromatic aberration for true-to-life colors. Fully multi-coated XLT lenses maximize light transmission for bright images. Large 80mm aperture excels in low-light conditions, ideal for astronomy and long-distance observation. Durable construction with waterproof and fogproof protection ensures reliability in all weather. Comfortable viewing with long 18mm eye relief and smooth center focus system.

Suitable for

• Astronomy and deep-sky observation
• Birdwatching and wildlife viewing
• Long-distance landscape and nature observation
• Marine and coastal use

Key specifications

• Magnification: 20x
• Objective lens diameter: 80 mm
• Optical design: Porro prism
• Prism glass: BaK-4
• Lens coating: Fully multi-coated (XLT)
• ED glass: Yes
• Exit pupil: 4 mm
• Eye relief: 18 mm
• Apparent field of view: 60°
• Real field of view: 3°
• Linear field of view at 1000 m: 52 m
• Close focus: 20 m
• Interpupillary distance: 56-73 mm
• Waterproof: Yes
• Fogproof: Yes (nitrogen purged)
• Tripod adaptable: Yes (integrated adapter rod)
• Focus system: Center focus
• Diopter adjustment: Right eye

Recommendations

For best results, use a sturdy tripod to stabilize the binoculars at high magnification. The SkyMaster Pro ED 20x80 is an excellent choice for astronomers seeking detailed views of the moon, planets, and deep-sky objects, as well as for nature observers who demand premium optics.