
Celestron SkyMaster Pro ED 20x80 Porro Prism Binoculars
Experience breathtaking views of the night sky with the Celestron SkyMaster Pro ED 20x80 Porro Prism Binoculars. Featuring extra-low dispersion (ED) lenses, they effectively eliminate chromatic aberration for razor-sharp clarity. Additionally, the large 80mm objective lenses are enhanced with Celestron’s XLT coatings, maximizing light transmission to deliver bright, crisp images.
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Take your stargazing adventures to the next level with the Celestron SkyMaster Pro ED 20x80 Porro Prism Binoculars. Featuring powerful 20x magnification and large 80mm objective lenses, these binoculars provide stunning views of constellations, celestial objects, and distant landscapes with exceptional clarity. They include a built-in tripod adapter which allows you to mount the binoculars onto standard 1/4-inch threads.
Equipped with extra-low dispersion (ED) glass, they effectively reduce chromatic aberration, ensuring sharper images with true-to-life colors and enhanced contrast. Celestron’s advanced XLT lens coatings further optimise light transmission, delivering bright and detailed views, even in low-light conditions.
Designed for durability, the SkyMaster Pro ED 20x80 features a rugged rubber-armored body and a tough chassis, offering excellent protection against impacts and harsh outdoor conditions. Whether you wear glasses or not, the adjustable eye relief ensures a comfortable viewing experience tailored to your needs.
Full Specifications
Prism Glass (Type) | Porro Prism (BaK-4) |
Magnification | 20x |
Objective Lens Diameter | 80mm |
Lens Coatings | Fully Multi-Coated |
Exit Pupil | 4mm |
Eye Relief | 15.4mm |
Close Focus | 30m |
Twilight Factor | 32.4 |
Liming Stellar Magnitude | Ideal: 12.02 Moderate: 11.02 Poor: 10.02 |
Linear Field of View at 1,000m | 59m |
Angular Field of View | 3.4° |
Interpupillary Distance (Max) | 72mm |
Interpupillary Distance (Min) | 56mm |
Tripod Adaptable | Yes |
Water-Resistant? | Yes |
Dimensions | 335mm x 230mm x 94mm |
Weight | 3.5kg |
Warranty | Celestron Limited Lifetime Warranty |
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Why Shop Celestron from OpticsCentral?
OpticsCentral is a Premier Select Dealer for Celestron in Australia, offering expert advice, local warranty support, and access to genuine spare parts. As an authorised Celestron Premier Select Dealer, we provide local warranty support and fast turnaround on repairs—giving you peace of mind with every purchase.
About Celestron
Imagine a humble beginning – a 6-inch reflector telescope crafted by Tom Johnson for his young son. This was the spark that ignited a transformative journey. As time passed, his designs evolved into larger, more sophisticated scopes. Today, Celestron shines as an industry trailblazer, renowned for crafting precision optical equipment. From computerised marvels to traditional telescopes, binoculars, spotting scopes and more, Celestron's portfolio is a universe of possibilities. With a legacy spanning over 50 illustrious years, Celestron has earned admiration from both avid hobbyists and dedicated astronomers worldwide. But they don't rest on their laurels; innovation propels them forward. They constantly broaden their product horizons while illuminating minds through global science education initiatives. Celestron's story is one of innovation, evolution and a passion for the cosmos. Join them on this extraordinary journey of discovery and inspiration.
Product Code: 72035
Prism Type | Porro |
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Prism Glass Quality | BaK-4 |
Magnification | 20 times |
Aperture | 80mm |
Glass Lens Quality | ED |
Field of View | 59m @ 1000m |
Twilight Factor | 40 |
Exit Pupil Diameter | 4.0mm |
Waterproof | Yes |
Fogproof | Yes |
Eye Relief | 15.4mm |
Dimensions | 335mm x 230mm x 94mm |
Weight | 3.5kg |
Warranty Information | Limited Lifetime Warranty |
Item | Qty | |
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Celestron SkyMaster Pro ED 20x80 Binoculars | 1 |
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Carrying Case | 1 |
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Eyepiece Covers | 1 |
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Objective Covers | 2 |
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Neck Strap | 1 |
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Lens Cloth | 1 |
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Instruction Manual | 1 |
Q1. What are the main advantages of Celestron SkyMaster ED binoculars?
SkyMaster ED binoculars feature extra-low dispersion (ED) glass, which reduces chromatic aberration and delivers sharper, higher-contrast images. They are ideal for astronomy and long-distance terrestrial viewing.
Q2. Can I use SkyMaster ED binoculars for both day and night?
Yes. While designed with astronomy in mind, the high light-gathering power and sharp optics make them suitable for daytime use, such as birdwatching or landscape observation.
Q3. Can they be used without a tripod?
They can be handheld for short sessions, but due to their size and weight (approx. 3.5kg), a tripod is strongly recommended for longer viewing sessions to reduce hand fatigue and image shake.
Q4. Are they suitable for eyeglass wearers?
Yes. SkyMaster ED binoculars offer generous eye relief (15.7mm) and twist-up eyecups for a comfortable viewing experience with or without glasses.
Q5. How do I clean the lenses properly?
Use a soft blower to remove loose dust, followed by a lens cleaning cloth or microfibre cloth with lens cleaner. Avoid household cleaners or rough materials that may scratch the lens. We recommend the saxon Optical Lens Cleaning Kit.
Q6. How should I store the binoculars?
Keep them in a dry, cool place in their case when not in use. Use the included caps to protect the lenses, and avoid exposing them to extreme temperatures or humidity.
Q7. How do the SkyMaster Pro ED binoculars compare to regular SkyMaster models?
SkyMaster Pro ED models include ED glass and enhanced coatings (XLT), providing superior image clarity and contrast over standard SkyMaster models.
Q8. Are these binoculars good for beginners in astronomy?
Yes. They are an excellent entry point into astronomy, offering wide views of the sky without the complexity of telescopes.